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Key Documents

8.08626

Sigma-Aldrich

3,3′-Thiodipropionic acid

for synthesis

Synonym(s):

3,3′-Thiodipropionic acid, Thiodihydracrylic acid, Bis(2-carboxyethyl)sulfide

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About This Item

Linear Formula:
S(CH2CH2COOH)2
CAS Number:
111-17-1
Molecular Weight:
178.21
MDL number:
MFCD00002781
UNSPSC Code:
12352106
EC Index Number:
203-841-3
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (acidimetric)

form

powder

potency

3000 mg/kg LD50, oral (Rat)

mp

128-131 °C

transition temp

flash point 126-129 °C

storage temp.

2-30°C

InChI

1S/C6H10O4S/c7-5(8)1-3-11-4-2-6(9)10/h1-4H2,(H,7,8)(H,9,10)

InChI key

ODJQKYXPKWQWNK-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Melting range (lower value): ≥ 128 °C
Melting range (upper value): ≤ 131 °C
Identity (IR): passes test

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H319

Hazard Classifications

Eye Irrit. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

262.4 °F - closed cup

Flash Point(C)

128 °C - closed cup

Certificates of Analysis (COA)

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