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Key Documents

8.20763

Sigma-Aldrich

Mercaptosuccinic acid

for synthesis

Synonym(s):

Mercaptosuccinic acid

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About This Item

Linear Formula:
HOOCCH2CH(SH)COOH
CAS Number:
Molecular Weight:
150.15
MDL number:
UNSPSC Code:
12352106
EC Index Number:
200-736-4
NACRES:
NA.22

Quality Level

form

solid

mp

150-153 °C

solubility

500 g/L

storage temp.

2-30°C

InChI

1S/C4H6O4S/c5-3(6)1-2(9)4(7)8/h2,9H,1H2,(H,5,6)(H,7,8)

InChI key

NJRXVEJTAYWCQJ-UHFFFAOYSA-N

Analysis Note

Assay (iodometric): ≥ 98.0 %
Melting range (lower value): ≥ 151 °C
Melting range (upper value): ≤ 154 °C
Identity (IR): passes test

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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