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Tris(hydroxymethyl)aminoethane

Tris(hydroxymethyl)aminoethane

Molecular formula: C4H11NO3

Molecular weight: 121.14

CAS No.: 77-86-1

EINECS: 201-064-4

 

Physicochemical Property:

White crystal or powder. Melting point 171-172℃, boiling point 219-220℃/1.3kPa, soluble in ethanol and water, slightly soluble in ethyl acetate, benzene, insoluble in ether and carbon tetrachloride, corrosive to copper and aluminum, and irritating .

 

Applications and Usages: 

1. The intermediate of fosfomycin can also be used as vulcanization accelerator, cosmetics (cream, lotion), mineral oil, paraffin emulsifier, and biological buffer.

2. Used as acid gas absorbent to prepare buffers, surfactants, emulsifiers and accelerators. Also used in organic synthesis.

 

Technical indicators:

 

检验项目

Test ltems

                     标 准

                             Standards

                                     结果

                                  Results

外观Appearance

白色结晶性粉末

White crystalline powder

                                     符合

Conforms

含量Assay,%

≥99.90

99.96

水分Water Content,%

≤0.20

0.18

熔 点 M P , ℃

168.0-171.0

168.3-170.2

pH值(5%水溶液) pH value(5% aq.)

10.00-11.50

10.95

重金属Heavy Metals, ppm

≤5

符合Conforms

铁离子[Fe³+] Iron ion,ppm

≤1

符合Conforms

氯离子[C1-] Chloride,ppm

≤3

符合Conforms

硫酸根[SO₄²] Sulfate,ppm

≤10

符合Conforms

溶解性(40%水溶液)

Solubility(40% aq.)

                 无色,澄清Clear, colorless solution

                               符合

Conforms

紫外吸光度/260nm(20%水溶液)

Ultraviolet Absorbance(20% ag.

≤0.070

0.033

紫外吸光度/280nm(40%水溶液)

Ultraviolet Absorbance(40% ag.)

 

≤0.070

0.050

紫外吸光度/290nm(40%水溶液)

Ultraviolet Absorbance(40% aq.)

 

≤0.050

0.010

紫外吸光度/400nm(40%水溶液)

Ultraviolet Absorbance(40% aq.)

≤0.020

0.038

红外光谱Infrared Spectrum

与标准图谱一致

Conforms to reference

符合

Conforms

 

Packing:

25kg/bag, or according to customer requirements.

 

PIC: Flora  Cao
Email: km155@kmchem.com
Whatsapp/Mobile:+86 15563229020

 



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