CAS 7757-83-7; 无水亚硫酸钠; Sulfurous acid,disodium salt

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S762180

MACKLIN

亚硫酸钠标准溶液

C(Na2SO3)=0.005mol/L(0.01N) in H2O

240元/500ml;

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储存：室温, 避光

S762181

MACKLIN

亚硫酸钠标准溶液

C(Na2SO3)=0.05mol/L(0.1N) in H2O

240元/500ml;

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储存：室温, 避光

S762182

MACKLIN

亚硫酸钠标准溶液

C(Na2SO3)=0.1mol/L(0.2N) in H2O

240元/500ml;

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储存：室温, 避光

S762183

MACKLIN

亚硫酸钠标准溶液

C(NaHSO3)=0.125 mol/L(0.25N) in H2O

240元/500ml;

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储存：室温, 避光

S762184

MACKLIN

亚硫酸钠标准溶液

C(Na2SO3)=0.5mol/L(1N) in H2O

240元/500ml;

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储存：室温, 避光

S762185

MACKLIN

亚硫酸钠标准溶液

C(Na2SO3)=1mol/L(2N) in H2O

240元/500ml;

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储存：室温, 避光

S762187

MACKLIN

亚硫酸盐(亚硫酸根)标准溶液

15μg/mL in H2O

60元/20ml; 180元/100ml;

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储存：室温, 避光, 惰性气体

S762188

MACKLIN

亚硫酸盐(亚硫酸根)标准溶液

20μg/mL in H2O

60元/20ml; 180元/100ml;

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储存：室温, 避光

S762189

MACKLIN

亚硫酸盐(亚硫酸根)标准溶液

100μg/mL in H2O

58元/20ml; 158元/100ml;

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储存：室温, 避光, 惰性气体

S762190

MACKLIN

亚硫酸盐(亚硫酸根)标准溶液

400μg/mL in H2O

60元/20ml; 180元/100ml;

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储存：室温, 避光, 惰性气体

S762191

MACKLIN

二氧化硫检测用亚硫酸钠标准溶液

100μg/mL, 基体: 甲醛吸收液

66元/20ml; 220元/100ml;

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储存：2-8°C, 避光

S762192

MACKLIN

二氧化硫检测用亚硫酸钠标准溶液

400μg/mL, 基体: 甲醛吸收液

66元/20ml; 220元/100ml;

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储存：2-8°C, 避光

S762193

MACKLIN

二氧化硫检测用亚硫酸钠标准溶液

1000μg/mL, 基体: 甲醛吸收液

66元/20ml; 220元/100ml;

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储存：2-8°C, 避光

S762176

MACKLIN

亚硫酸钠溶液

5g/L in H2O

200元/500ml;

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储存：室温, 避光

S762177

MACKLIN

亚硫酸钠溶液

10g/L in H2O

210元/500ml;

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储存：室温, 避光

S762178

MACKLIN

亚硫酸钠溶液

100g/L in H2O

220元/500ml;

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储存：室温, 避光

S762179

MACKLIN

亚硫酸钠溶液

200g/L in H2O

220元/500ml;

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储存：室温, 避光

S762175

MACKLIN

亚硫酸钠溶液

1g/L in H2O

200元/500ml;

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储存：室温, 避光

S798890

MACKLIN

无水亚硫酸钠

无水级 , 试剂级, ≥98%

342元/250g; 636元/1kg;

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储存：室温

S799417

MACKLIN

无水亚硫酸钠

BioReagent Plus, ≥98%

218元/100g; 494元/250g; 1029元/1kg; 6508元/10kg;

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储存：室温
状态：白色粉末或晶体

767463

MACKLIN

无水亚硫酸钠

超纯生物试剂级,无水级, ≥98%(RT)

360元/100g; 1278元/500g; 3250元/2.5kg; 9750元/10kg;

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储存：室温
状态：无色或白色粉末或晶体

S796680

MACKLIN

无水亚硫酸钠

无水级 , 优级试剂 , 适用于分析 Reag. Ph Eur

198元/100g; 440元/500g;

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储存：室温
状态：白色粉末或晶体

S794129

MACKLIN

无水亚硫酸钠

医药级,Ph.Eur.,BP,NF,E221

297元/1kg; 1077元/5kg;

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储存：室温, 惰性气体
状态：白色粉末或晶体

767524

MACKLIN

无水亚硫酸钠

puriss.p.a.,reag.Ph.Eur., 无水级, 98-100%(iodometric)

563元/500g;

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储存：室温

S818067

MACKLIN

无水亚硫酸钠

试剂级, 98.0%

44元/500g; 153元/2.5kg; 492元/10kg; 982元/25kg; 490元/12X500g;

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储存：室温
状态：白色固体
折射率：1,484

93-1184

Strem

Sodium sulfite, anhydrous

98+%

300元/250g; 855元/1kg;

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A17933

Alfa Aesar

Sodium sulfite

anhydrous, 98%

415元/500g; 2053元/2500g; 7182元/10000g;

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应用
Sodium sulfite is used in the photography industry to protect developing solutions from oxidation, in the pulp and paper industry, in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in textile industry. It is used as a preservative to prevent dried fruit from discoloring. It finds application as a sulfonation and sulfomethylation agent in the chemical industry. It is involved in the production of sodium thiosulfate. Other applications include forth flotation ores, oil recovery and making dyes.

备注
Hygroscopic. Moisture and air sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with acids, strong oxidizing agents.

基本信息

MDL
MFCD00003503

EINECS
231-821-4

分子式
Na₂SO₃

分子量
126.04

熔点
>500° dec.

密度
2.633

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in water and glycerol. Insoluble in alcohol, liquid chlorine and liquid ammonia.

Merck
14,8682

GHS危害和防范说明

Hazard Statements
H303
May be harmful if swallowed.

安全信息

危险类别
31
Contact with acids liberates toxic gas.

安全等级
60
This material and its container must be disposed of as hazardous waste

RTECS
WE2150000

TSCA
是

013454

Alfa Aesar

Sodium sulfite

ACS, 98.0% min

730元/500g; 1144元/2kg; 4891元/10kg;

咨询

应用
Sodium sulfite is used in the photography industry to protect developing solutions from oxidation; in the pulp and paper industry; in water treatment as an oxygen scavenger agent, as a desulfurizing and dechlorinating agent in the leather industry and as a bleaching agent in the textile industry. It is used as a preservative to prevent dried fruit from discoloring. It finds application as a sulfonation and sulfomethylation agent in the chemical industry. It is involved in the production of sodium thiosulfate. Other applications include forth flotation ores, oil recovery and manufacture of dyes.

Grade Specifications
Maximum level of impurities: Insoluble matter 0.005%, Free acid P.T., Titratable free base 0.03meq/g, Cl 0.02%, Heavy Metals (as Pb) 0.001%, Fe 0.001%

备注
Hygroscopic. Moisture and air sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with acids and strong oxidizing agents.

基本信息

MDL
MFCD00003503

EINECS
231-821-4

分子式
Na₂SO₃

分子量
126.04

熔点
>500° dec.

密度
2.633

灵敏度
Moisture Sensitive. Air Sensitive. Store under Nitrogen. Ambient temperatures.

形态
Granular

溶解性
Soluble in water and glycerol. Insoluble in alcohol, liquid chlorine and liquid ammonia.

Merck
14,8682

GHS危害和防范说明

Hazard Statements
H303
May be harmful if swallowed.

安全信息

危险类别
31
Contact with acids liberates toxic gas.

安全等级
60
This material and its container must be disposed of as hazardous waste

RTECS
WE2150000

TSCA
是

C19663

Alfa Aesar

Sodium sulfite

97%, extra pure, anhydrous

1395元/1kg; 2223元/2.5kg; 7453元/10kg;

咨询

基本信息

Ref#
19663

MDL
3503

分子式
Na2 O3 S

分子量
126.04

密度
2.63

T_702S685053

Alfa Aesar

Sodium sulfite anhydrous

for analysis 500GR

162元/500g;

咨询

基本信息

Ref#
F50712

MDL
MFCD00003503

分子式
Na{2}SO{3}

分子量
126.04

形态
Solid

C42443

Alfa Aesar

Sodium sulfite

98+%, ACS reagent, anhydrous

520元/250g; 1453元/1kg; 2493元/2.5kg;

咨询

基本信息

Ref#
42443

MDL
3503

分子式
Na2 O3 S

分子量
126.04

密度
2.63

C21927

Alfa Aesar

Sodium sulfite

98.5%, for analysis, anhydrous

399元/25g; 469元/250g; 1183元/1kg; 3292元/5kg;

咨询

基本信息

Ref#
21927

MDL
3503

分子式
Na2 O3 S

分子量
126.04

密度
2.63

形态
Granular

S430-3

Alfa Aesar

SODIUM SULFITE CERT ACS 3KG

1124元/3kg;

咨询

基本信息

Ref#
F54067

S430-10

Alfa Aesar

SODIUM SULFITE CERT ACS 10KG

2460元/10kg;

咨询

基本信息

Ref#
F54018

S447-500

Alfa Aesar

SOD SULFITE ANHYD CRT ACS 500G

463元/500g;

咨询

基本信息

Ref#
F54192

S447-3

Alfa Aesar

SOD SULFITE ANHYD CERT ACS 3KG

824元/3kg;

咨询

基本信息

Ref#
F54190

S0505

Sigma-Aldrich

Sodium sulfite

≥98%

554.12元/250 G; 1475.95元/2.5 KG;

咨询

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	329824427
NACRES	NA.55

产品性质

质量水平	100
测定	≥98%
形式	powder or crystals
pH值(酸碱度)	9.0-10.5 (25 ℃, 126 g/L)
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

239321

Sigma-Aldrich

Sodium sulfite

ACS reagent, ≥98.0%

689.79元/500 G; 1315.22元/2.5 KG;

咨询

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	329752528
NACRES	NA.21

产品性质

质量水平	200
等级	ACS reagent
测定	≥98.0%
形式	powder or crystals
杂质	Free acid, passes test ≤0.005% insolubles ≤0.03 meq/g Titr. free base
pH值(酸碱度)	9.0-10.5 (25 ℃, 126 g/L)
溶解性	water: soluble 126 g/L at 20 ℃
痕量阴离子	chloride (Cl^-): ≤0.02%
痕量阳离子	Fe: ≤0.001% heavy metals (as Pb): ≤0.001%
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

1.06657

Supelco

Sodium sulfite

anhydrous for analysis EMSURE^® Reag. Ph Eur

679.24元/500 G; 1044.98元/1 KG; 3657.44元/5 KG; 33961.9元/50 KG;

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产品说明

分析说明

Assay (iodometric): 97.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
Free acid: passes test
Titrable free base: ≤ 0.03 meq/g
Chloride (Cl): ≤ 0.02 %
Thiosulfate (S₂O₃): ≤ 0.1 %
Heavy metals (as Pb): ≤ 0.0005 %
As (Arsenic): ≤ 0.0001 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
Se (Selenium): ≤ 0.0004 %
Zn (Zinc): ≤ 0.001 %

法律信息

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

基本信息

线性分子式	Na₂SO₃
分子量	126.04
MDL编号	MFCD00003503
EC索引号	231-821-4

产品性质

质量水平	300
agency	reag. Ph. Eur.
测定	97.0-100.5% (iodometric)
形式	powder
效能	2610 mg/kg LD₅₀, oral (Rat)
pH值(酸碱度)	8.8-10 (20 ℃, 50 g/L in H₂O)
mp	>500 ℃ (decomposition)
密度	2.63 g/cm³ at 20 ℃
堆积密度	1480 kg/m³
痕量阴离子	chloride (Cl^-): ≤0.02% thiosulfate (S₂O₃^2-): ≤0.1%
痕量阳离子	As: ≤ 0.0001% Cu: ≤ 0.0005% Fe: ≤ 0.001% Pb: ≤ 0.0005% Se: ≤ 0.0004% Zn: ≤ 0.001% heavy metals (as Pb): ≤ 0.0005%
储存温度	2-30℃
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

31454

Sigma-Aldrich

Sodium sulfite

puriss. p.a., reag. Ph. Eur., anhydrous, 98-100.0% (iodometric)

712.6元/500 G; 1284.64元/1 KG;

咨询

产品说明

一般描述

亚硫酸钠是一种无机钠盐。已经提出了快速混合方法来研究氧与亚硫酸钠之间反应的动力学。

应用

亚硫酸钠被用于制备基于小麦面筋的薄膜。

包装

500 g in poly bottle
1 kg in poly bottle

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	329753771
NACRES	NA.21

产品性质

质量水平	100
agency	USP/NF reag. Ph. Eur.
等级	puriss. p.a.
测定	98-100.0% (iodometric)
形式	solid
杂质	≤0.001% heavy metals (as Pb) ≤0.02% thiosulfate (S₂O₃)
pH值(酸碱度)	9.0-10.5 (25 ℃, 126 g/L)
痕量阴离子	chloride (Cl^-): ≤50 mg/kg
痕量阳离子	As: ≤0.2 mg/kg Ca: ≤50 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg Pb: ≤5 mg/kg Se: ≤10 mg/kg Zn: ≤10 mg/kg
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

S4672

Sigma-Aldrich

Sodium sulfite

BioXtra, ≥98%

436.46元/100 G; 635.03元/250 G; 1132.36元/1 KG;

咨询

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	24899614
NACRES	NA.25

产品性质

质量水平	200
产品线	BioXtra
测定	≥98%
形式	powder or crystals
杂质	≤0.005% Insoluble matter ≤5 ppm Phosphorus (P)
溶解性	H₂O: 1 M at 20 ℃, clear, colorless
痕量阴离子	chloride (Cl^-): ≤0.02%
痕量阳离子	Al: ≤5 ppm Ca: ≤0.01% Cu: ≤5 ppm Fe: ≤5 ppm K: ≤0.05% Mg: ≤0.005% NH₄⁺: ≤0.05% Pb: ≤10 ppm Zn: ≤5 ppm
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Gloves

08981

Supelco

Sodium sulfite

analytical standard

975.78元/1G;

咨询

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	329748654
NACRES	NA.24

产品性质

等级	analytical standard
质量水平	100
测定	≥98% (RT)
保质期	limited shelf life, expiry date on the label
溶解性	H₂O: 1 g/10 mL, clear, colorless
application(s)	cleaning products cosmetics food and beverages personal care
格式	neat
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

901916

Sigma-Aldrich

Sodium sulfite

anhydrous, Redi-Dri^™, reagent grade, ≥98%

336.9元/250 G; 614.19元/1 KG;

咨询

产品说明

法律信息

Redi-Dri is a trademark of sigma-aldrich Co. LLC

基本信息

线性分子式	Na₂SO₃
分子量	126.04
MDL编号	MFCD00003503
NACRES	NA.21

产品性质

等级	anhydrous reagent grade
产品线	Redi-Dri^™
测定	≥98%
形式	powder or crystals
pH值(酸碱度)	9-10.5 (25 ℃, 126 g/L)
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

71988

Sigma-Aldrich

Sodium sulfite

BioUltra, anhydrous, ≥98% (RT)

921.23元/250 G; 2208.56元/1 KG;

咨询

产品说明

其他说明

裂解二硫键形成 S-磺酸酯衍生物；抑制培养基中的革兰氏阳性菌；

基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	57652384
NACRES	NA.25

产品性质

质量水平	200
产品线	BioUltra
测定	≥98% (RT)
杂质	insoluble matter, passes filter test
缺失	≤0.1% loss on drying, 20 ℃ (HV)
pH值(酸碱度)	9.0-10.5 (25 ℃, 1 M in H₂O)
溶解性	H₂O: 1 M at 20 ℃, clear, colorless
痕量阴离子	chloride (Cl^-): ≤50 mg/kg thiosulfate (S₂O₃^2-): ≤200 mg/kg
痕量阳离子	Al: ≤5 mg/kg As: ≤0.1 mg/kg Ba: ≤5 mg/kg Bi: ≤5 mg/kg Ca: ≤10 mg/kg Cd: ≤5 mg/kg Co: ≤5 mg/kg Cr: ≤5 mg/kg Cu: ≤5 mg/kg Fe: ≤5 mg/kg K: ≤200 mg/kg Li: ≤5 mg/kg Mg: ≤5 mg/kg Mn: ≤5 mg/kg Mo: ≤5 mg/kg Ni: ≤5 mg/kg Pb: ≤5 mg/kg Sr: ≤5 mg/kg Zn: ≤5 mg/kg
吸光度	cut-off at 265 nm in H₂O at 1 M
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	Gloves

13471

Sigma-Aldrich

Sodium sulfite

puriss., meets analytical specification of Ph. Eur., BP, NF, anhydrous, 95.0-100.0% (iodometric)

968.62元/1 KG; 1821.75元/2.5 KG;

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基本信息

线性分子式	Na₂SO₃
分子量	126.04
EC 号	231-821-4
MDL编号	MFCD00003503
PubChem化学物质编号	329750185
NACRES	NA.22

产品性质

质量水平	100
等级	puriss.
测定	95.0-100.0% (iodometric)
形式	solid
质量	meets analytical specification of Ph. Eur., BP, NF
杂质	residual solvents, complies ≤0.001% heavy metals (as Pb) ≤0.05% thiosulfate (S₂O₃)
pH值(酸碱度)	9.0-10.5 (25 ℃, 126 g/L)
痕量阴离子	chloride (Cl^-): ≤200 mg/kg
痕量阳离子	Fe: ≤10 mg/kg Se: ≤10 mg/kg Zn: ≤10 mg/kg
适用性	complies for appearance of solution
SMILES string	[Na+].[Na+].[O-]S([O-])=O
InChI	1S/2Na.H2O3S/c;;1-4(2)3/h;;(H2,1,2,3)/q2*+1;/p-2
InChI key	GEHJYWRUCIMESM-UHFFFAOYSA-L

安全信息

补充剂危害	EUH031
储存分类代码	13 - Non Combustible Solids
WGK	WGK 1
闪点(F)	Not applicable
闪点(C)	Not applicable

BIOC-038N-1G

AccuStandard

Sodium sulfite

185元/1g;

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Sodium sulfite

亚硫酸钠

7757-83-7

044726

Fluorochem

Sodium sulfite anhydrous

98%

220元/500g; 396元/1kg; 638元/2kg; 2310元/10kg;

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基本信息

CAS Number	7757-83-7
MDL Number	MFCD00003503

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .