CAS 504-31-4; α-Pyrone - �뵺�羺�ٷ��ַ

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货号

品牌

产品名称

规格

包装、参考价格

P868310

MACKLIN

α-吡喃酮

≥98%

160元/50mg; 288元/250mg; 926元/1g;

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储存：室温
状态：非常淡黄色到红黄色澄清液体

P1183

TCI

α-Pyrone

>98.0%(GC)

850元/1G;

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基本信息

纯度/分析方法	>98.0%(GC)
分子式/分子量	C₅H₄O₂ = 96.09
外观与形状(20℃)	液体
储存在惰性气体下	存放于惰性气体之中
应避免的情况	光,空气
Reaxys-RN	1511
PubChem物质ID	87575283
SDBS (AIST Spectral DB)	9839
MDL编号	MFCD00006639

技术规格

Purity(GC)

min. 98.0 %

物性(参考值)

沸点	207 ℃
闪点	94 ℃
比重	1.20
折射率	1.53

C37681

Alfa Aesar

2H-Pyran-2-one

97%

3508元/1g; 12655元/5g;

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基本信息

Ref#
37681

MDL
6639

分子式
C5 H4 O2

分子量
96.09

闪点
94

密度
1.21

463159

Sigma-Aldrich

2H-Pyran-2-one

90%

1951.2元/1 G;

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产品说明

一般描述

2H-吡喃-2-酮(a-吡喃酮)是一种杂环构成单位。2H-吡喃-2-酮的光化学已通过具有红外检测的激光闪光光解法进行了研究。乙烯酮和双环内酯已作为主要光产物被获得。

包装

1 g in glass bottle
无底玻璃瓶。内含物在插入的融合锥体内。

其他说明

储存于2-8℃

基本信息

经验(实验)分子式	C₅H₄O₂
分子量	96.08
Beilstein	1511
EC 号	207-990-5
MDL编号	MFCD00006639
PubChem化学物质编号	24869900
NACRES	NA.22

产品性质

测定	90%
折射率	n20/D 1.53 (lit.)
bp	102-103 ℃/20 mmHg (lit.)
密度	1.197 g/mL at 25 ℃ (lit.)
储存温度	2-8℃
SMILES string	O=C1OC=CC=C1
InChI	1S/C5H4O2/c6-5-3-1-2-4-7-5/h1-4H
InChI key	ZPSJGADGUYYRKE-UHFFFAOYSA-N

安全信息

储存分类代码	10 - Combustible liquids
WGK	WGK 3
闪点(F)	201.2 °F - closed cup
闪点(C)	94 ℃ - closed cup
个人防护装备	Eyeshields, Gloves

533039

Fluorochem

ALPHA-PYRONE

95%

2420元/250mg; 5808元/1g; 18084元/5g;

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基本信息

CAS Number	504-31-4
MDL Number	MFCD00006639
Boiling Point	102-103℃

安全信息

图形或危害标志
危险性说明	H302: Harmful if swallowed. 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. P270: Do not eat, drink or smoke when using this product. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P301 + P312: IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: . 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 . on this label). P330: Rinse mouth. 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 local regulations.