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Merck
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Key Documents

8.00252

Sigma-Aldrich

Cyanoacetic acid

for synthesis

Synonym(s):

Cyanoacetic acid, Malonic acid mononitrile

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About This Item

Empirical Formula (Hill Notation):
C3H3NO2
CAS Number:
Molecular Weight:
85.06
MDL number:
UNSPSC Code:
12352106
EC Index Number:
206-743-9

vapor pressure

0.1 hPa ( 100 °C)

Assay

≥98.0% (acidimetric)

form

crystals

potency

1500 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)

pH

1.6 (20 °C, 50 g/L in H2O)

bp

108 °C/20 hPa

mp

65-68 °C

transition temp

flash point 107 °C

solubility

1000 g/L

bulk density

700 kg/m3

storage temp.

2-30°C

InChI

1S/C3H3NO2/c4-2-1-3(5)6/h1H2,(H,5,6)

InChI key

MLIREBYILWEBDM-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): ≥ 98.0 %
Melting range (lower value): ≥ 66 °C
Melting range (upper value): ≤ 70 °C
Water (K. F.): ≤ 0.60 %
Identity (IR): passes test

Pictograms

CorrosionExclamation mark

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Skin Corr. 1B

Supplementary Hazards

Storage Class Code

8A - Combustible, corrosive hazardous materials

WGK

WGK 1

Flash Point(C)

107 °C - closed cup


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