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1.08180

Supelco

2-Thiobarbituric acid

reagent for sorbic acid

Synonym(s):
2-Thiobarbituric acid
Empirical Formula (Hill Notation):
C4H4N2O2S
CAS Number:
Molecular Weight:
144.15
MDL number:
EC Index Number:
207-985-8

Quality Level

potency

>5000 mg/kg LD50, oral (Rat)

pH

1.7-1.9 (20 °C, 10 g/L in H2O)

mp

235 °C

bulk density

210 kg/m3

storage temp.

15-25°C

InChI

1S/C4H4N2O2S/c7-2-1-3(8)6-4(9)5-2/h1H2,(H2,5,6,7,8,9)

InChI key

RVBUGGBMJDPOST-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric; calculated on dried substance): ≥ 99
Identity (IR-spectrum): passes test
pH-value (1 %; water): 1.7 - 1.9
Loss on drying (20 mbar, 60 °C): ≤ 1
Suitability as reagent (for sorbic acid): passes test

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Quality

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