CAS 502-97-6; 1,4-二氧杂环-2,5-己二酮; 2,5-dioxo-1,4-dioxane

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货号

品牌

产品名称

规格

包装、参考价格

G831915

MACKLIN

乙交酯

99%

30元/1g; 86元/5g; 297元/25g; 863元/100g; 2999元/500g; 9999元/2.5kg;

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储存：-20°C
状态：白色至淡黄色粉末

G0467

TCI

Glycolide

>98.0%(GC)(T)

495元/5G; 1680元/25G;

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基本信息

纯度/分析方法	>98.0%(GC)(T)
分子式/分子量	C₄H₄O₄ = 116.07
外观与形状(20℃)	固体
储存温度	-20℃
储存在惰性气体下	存放于惰性气体之中
应避免的情况	空气,湿气 (分解),加热
Reaxys-RN	112109
PubChem物质ID	253659545
MDL编号	MFCD00081108

技术规格

Appearance	White to Almost white powder to crystal
Purity(GC)	min. 98.0 %
Purity(Neutralization back titration)	min. 98.0 %
Melting point	82.0 to 86.0 ℃

物性(参考值)

熔点	84 ℃
沸点	130 ℃
溶解性(可溶于)	二甲基甲酰胺

安全信息

图形或危害标志
信号词	警告
危险性说明	H315 : 造成皮肤刺激。 H319 : 造成严重眼刺激。
防范说明	P264 : 作业后彻底清洗皮肤。 P280 : 戴防护手套/戴防护眼罩/戴防护面具。 P302 + P352 : 如皮肤沾染：用水充分清洗。 P337 + P313 : 如仍觉眼刺激：求医/就诊。 P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。 P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。 P332 + P313 : 如发生皮肤刺激：求医/就诊。

221527

J&K

1,4-Dioxane-2,5-dione

99%

321元/5G; 1281元/25G;

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基本信息

分子式	C₄H₄O₄
分子量	116.07
熔点	82-86
MDL编码	MFCD00081108
EINECS 编号	207-954-9
存储条件	Freezer -20℃

安全信息

图形或危害标志
提示语	Warning
危险说明	H302 H319
防范说明	P305+P351+P338
WGK	3
TSCA	是

B20096

Alfa Aesar

1,4-Dioxane-2,5-dione

97%

1195元/5g; 4628元/25g;

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基本信息

MDL
MFCD00081108

EINECS
207-954-9

分子式
C₄H₄O₄

分子量
116.07

熔点
81-83°

形态
Crystalline powder

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
是

G1796

Sigma-Aldrich

Glycolide

≥99%

1958.61元/25 G;

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产品说明

一般描述

乙交酯是α羟基酸的环状二聚体，可用于制备脂肪族聚酯。它通过甘醇酸的二聚化而合成。它可制备低毒的人造生物可降解聚合物，适于医疗应用。它主要用于通过开环聚合反应形成高度结晶的聚乙交酯。

包装

25 g in serum bottle

基本信息

经验(实验)分子式	C₄H₄O₄
分子量	116.07
EC 号	207-954-9
MDL编号	MFCD00081108
PubChem化学物质编号	329799848
NACRES	NA.23

产品性质

质量水平	200
测定	≥99%
mp	82-86 ℃ (lit.)
运输	dry ice
储存温度	−20℃
SMILES string	O=C1COC(=O)CO1
InChI	1S/C4H4O4/c5-3-1-7-4(6)2-8-3/h1-2H2
InChI key	RKDVKSZUMVYZHH-UHFFFAOYSA-N

安全信息

象形图
警示用语：	Warning
危险声明	H302 - H319
预防措施声明	P264 - P270 - P280 - P301 + P312 - P305 + P351 + P338 - P337 + P313
危险分类	Acute Tox. 4 Oral - Eye Irrit. 2
储存分类代码	11 - 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

339952

Fluorochem

1,4-Dioxane-2,5-dione

99%

220元/1g; 572元/5g; 924元/10g; 1738元/25g;

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基本信息

CAS Number	502-97-6
MDL Number	MFCD00081108
Melting Point	82 - 86 ℃

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 .