CAS 596-01-0; α-萘酚酞; 1(3H)-Isobenzolfuranone,3,3'-bis(4-hydroxy-1-naphthalenyl)-

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货号

品牌

产品名称

规格

包装、参考价格

N814799

MACKLIN

1-萘酚酞

IND

42元/1g; 156元/5g; 605元/25g; 1829元/100g;

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储存：室温
状态：灰色到棕色粉末

N0031

TCI

α-Naphtholphthalein

>98.0%(HPLC)

215元/1G; 885元/5G;

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基本信息

纯度/分析方法	>98.0%(HPLC)
分子式/分子量	C₂₈H₁₈O₄ = 418.45
外观与形状(20℃)	固体
Reaxys-RN	97816
PubChem物质ID	87573442
SDBS (AIST Spectral DB)	2675
Merck Index (14)	6389
MDL编号	MFCD00036202

技术规格

Appearance	White to Brown powder to crystal
Purity(HPLC)	min. 98.0 area%
Absorbance	min. 0.680(10 mg/L, pH 9.2)
Solubility in EtOH	almost transparency
Transition interval(pH)	(pale redlish orange)7.0 to 8.6(blue)

物性(参考值)

熔点

240 ℃

196977

J&K

α-Naphtholphthalein

98%, 指示剂

181元/1g; 751元/5g; 2995元/25g;

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基本信息

分子式	C₂₈H₁₈O₄
分子量	418.44
熔点	238-240
MDL编码	MFCD00036202
Beilstein	97816
Merck	6389
EINECS 编号	209-875-5

安全信息

图形或危害标志
提示语	Warning
危险说明	H315 H319 H335
防范说明	P261 P305+P351+P338
WGK	3
TSCA	否

041221

Alfa Aesar

alpha-Naphtholphthalein

840元/1g; 3113元/5g; 9978元/25g;

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应用
Indicator in 0.1% or 0.04% alcohol solution.α-Naphtholphthalein is used as a pH indicator and operates in the pH ranges between 7.3 and 8.7. It is also used in the designing of optical carbon dioxide sensor based on fluorescence intensity.

备注
pH 7.3 (colorless to red), pH 8.7 (green to blue)Incompatible with strong oxidizing agents.

基本信息

MDL
MFCD00036202

EINECS
209-875-5

分子式
C₂₈H₁₈O₄

分子量
418.45

熔点
238-240°

灵敏度
Ambient temperatures.

形态
Powder

溶解性
Soluble in ethanol. Insoluble in water.

Merck
14,6389

GHS危害和防范说明

GHS符号

Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation.

Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations.

安全信息

危险类别
36/37/38
Irritating to eyes, respiratory system and skin.

安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste

TSCA
否

C19012

Alfa Aesar

alpha-Naphtholphthalein

pure, indicator

1414元/1g; 2964元/5g; 14574元/25g;

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基本信息

Ref#
19012

MDL
36202

分子式
C28 H18 O4

分子量
418.45

1.06246

Supelco

1-Naphtholphthalein

indicator

2680.97元/1 G; 3063.97元/5 G;

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产品说明

分析说明

Identity (UV/VIS-Spectrum): passes test
Transition range: pH 7.1 - pH 8.3pinkbrownish - blue
Absorption maximum λ 1 (buffer pH 7.1): 470 - 485 nm
Absorption maximum λ 2 (buffer pH 8.3): 649 - 654 nm
Spec. Absorptivity A 1%/1cm (λ1_max; 0.01 g/l; buffer pH 7.1; calc. on anhydrous substance): 100 - 180
Spec. Absorptivity A 1%/1cm (λ2_max; 0.01 g/l; buffer pH 8.3; calc. on anhydrous substance): 360 - 520
Loss on drying (110 °C): ≤ 5 %

基本信息

经验(实验)分子式	C₂₈H₁₈O₄
分子量	418.44
MDL编号	MFCD00036202
EC索引号	209-875-5

产品性质

质量水平	200
缺失	≤5% loss on drying, 110℃
mp	253-255 ℃
堆积密度	350 kg/m³
储存温度	2-30℃
InChI	1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H
InChI key	HQHBAGKIEAOSNM-UHFFFAOYSA-N

安全信息

储存分类代码	11 - Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable

N8257

Sigma-Aldrich

α-Naphtholphthalein

practical grade

1274.29元/1 G; 3871.46元/5 G; 6790.49元/10 G;

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产品说明

一般描述

α-Naphtholphthalein, a phthalein dye is a pH indicator between 7.3 (colorless) and 8.7 (greenish-blue). Applications include inks, markers, detecting viable cells, food storage, and many more.

包装

1, 5, 10 g in poly bottle

基本信息

经验(实验)分子式	C₂₈H₁₈O₄
分子量	418.44
Beilstein	97816
EC 号	209-875-5
MDL编号	MFCD00036202
PubChem化学物质编号	24897859
NACRES	NA.47

产品性质

质量水平	200
等级	practical grade
测定	>80% NaOH basis (titration)
形式	powder
pH范围	7.3 - 8.7, colorless to blue-green
mp	238-240 ℃ (lit.)
溶解性	ethanol: 50 mg/mL, clear, red-orange
application(s)	diagnostic assay manufacturing hematology histology
储存温度	room temp
SMILES string	Oc1ccc(c2ccccc12)C3(OC(=O)c4ccccc34)c5ccc(O)c6ccccc56
InChI	1S/C28H18O4/c29-25-15-13-23(17-7-1-3-9-19(17)25)28(22-12-6-5-11-21(22)27(31)32-28)24-14-16-26(30)20-10-4-2-8-18(20)24/h1-16,29-30H
InChI key	HQHBAGKIEAOSNM-UHFFFAOYSA-N

安全信息

储存分类代码	13 - Non Combustible Solids
WGK	WGK 3
闪点(F)	Not applicable
闪点(C)	Not applicable
个人防护装备	dust mask type N95 (US), Eyeshields, Gloves