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Key Documents

Safety Information

8.14495

Sigma-Aldrich

3-Amino-1H-1,2,4-triazole

for synthesis

Synonym(s):

3-Amino-1H-1,2,4-triazole, Amitrol

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About This Item

Empirical Formula (Hill Notation):
C2H4N4
CAS Number:
Molecular Weight:
84.08
MDL number:
UNSPSC Code:
12352116
EC Index Number:
200-521-5
NACRES:
NA.22

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

form

solid

autoignition temp.

>225 °C

potency

1100 mg/kg LD50, oral (Rat)
>10000 mg/kg LD50, skin (Rat)

pH

6.4-7.4 (20 °C, 100 g/L in H2O)

mp

149-152 °C

solubility

280 g/L

density

1.138 g/cm3 at 20 °C

bulk density

650 kg/m3

storage temp.

2-30°C

InChI

1S/C2H4N4/c3-2-4-1-5-6-2/h1H,(H3,3,4,5,6)

InChI key

KLSJWNVTNUYHDU-UHFFFAOYSA-N

Analysis Note

Assay (HClO₄): ≥ 97.0 %
Melting range (lower value): ≥ 151 °C
Melting range (upper value): ≤ 157 °C
Identity (IR): passes test

Pictograms

Health hazardEnvironment

Signal Word

Warning

Hazard Statements

Hazard Classifications

Aquatic Chronic 2 - Repr. 2 - STOT RE 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Regulatory Listings

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ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names


Certificates of Analysis (COA)

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