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乙二醛40% cas 107-22-2

产品名(Production name): 乙二醛40% (Glyoxal 40%)
CAS号(CAS NO.): 107-22-2
分子式Chemical formula: C2H2O2
分子量(molecular weight): 58.04
EINECS号(EINECS NO.): 203-474-9
状态:

检测项目(Item)

检测标准(Specification)

外观(Appearance)

Colorless or Light Yellow transparent Liquid

乙二醛(Glyoxal)(%)

40.0min

乙二醇(Glycol)(%)

1.5max

密度(Density)

1.267 ~ 1.275

色度Pt-Co(Chroma Pt-Co)(APHA)

20max

酸度(Total Acidity)(%)

0.15max

甲醛(Formaldehyde)(ppm)

1500max; 1000max; 500max; 100max etc.



>> 性能和用途(Properties and uses)

性能:

本品为无色或淡黄色液体,溶于水,乙醚及乙醇。化学性质很活泼,易聚合成白色树脂状固体。

用途:

乙二醛能与含有羟基的化合物生成缩醛,主要用作乙醛酸、M2D树脂、咪唑等产品的原料,以及作明胶、动物胶、乳酪,聚乙烯醇和淀粉等的不溶粘合剂、人造丝的阻缩剂等。

1)在医药上,主要用于专用环咪唑类药物,如甲硝唑、二甲硝咪唑、咪唑等;

2)在中间体方面,主要用作乙醛酸,D—对羟基苯甘氨酸,尿囊素、苯酶咽,黄连素等;

3)在轻纺方面,主要用作服装整理剂,2D树脂、M2D树脂等;

4)在造纸行业,主要用作施胶剂,增加纸张抗湿强度;在高分子化学方面是一种非常有效的交联因子,作交联剂;

5)在建筑行业,用作水泥的固化剂,提高凝固强度,用作治理山体滑坡,可阻止泥土流失,防止塌方。


Properties:

This product is colorless or light yellow liquid, soluble in water, ether and ethanol. The chemical property is very active and easy to polymerize into white resin like solid.

Uses:

Glyoxal can form acetals with compounds containing hydroxyl groups. It is mainly used as raw materials for glyoxylic acid, M2D resin, imidazole and other products, as well as insoluble adhesives for gelatin, animal glue, cheese, polyvinyl alcohol and starch, and shrinkage inhibitors for rayon.

1) In medicine, it is mainly used for special cycloimidazole drugs, such as metronidazole, dimethylnitroimidazole, imidazole, etc;

2) In terms of intermediates, it is mainly used as glyoxylic acid, D-p-hydroxyphenylglycine, allantoin, phenylpharyngeal enzyme, berberine, etc;

3) In light textile, it is mainly used as garment finishing agent, 2D resin, M2D resin, etc;

4) In the paper industry, it is mainly used as sizing agent to increase the moisture resistance of paper; It is a very effective crosslinking factor in polymer chemistry and can be used as crosslinking agent;

5) In the construction industry, it can be used as the curing agent of cement to improve the setting strength and control landslides, which can prevent soil loss and collapse.



>>包装及储存条件(Package and condition of storage)

常规包装:

1. 25KG/塑料桶,20MT / 20’FCL

2. 250KG/塑料桶,20MT / 20’FCL

3. 1250KG/IBC桶,20MT或22.5MT / 20’FCL

存储:

本品应储存于干燥处,常温下密封保存的库房, 避免阳光直接照射。

The normal packing:

1. 25KG/Drum,20MT / 20’FCL

2. 250KG/Drum,20MT / 20’FCL

3. 1250KG/IBC Drum,20MT, 22.5MT or 25MT / 20’FCL

The condition of storage:

This product should be stored in a dry place and sealed warehouse under normal temperature to avoid direct sunlight.



>>产品有效期(Shelf life)

12months(1years)



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