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932-64-9

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Basic Information
CAS No.: 932-64-9
Name: 1,2-dihydro-5-nitro-3H-1,2,4-triazol-3-one
Article Data: 8
Molecular Structure:
Molecular Structure of 932-64-9 (1,2-dihydro-5-nitro-3H-1,2,4-triazol-3-one)
Formula: C2H2 N4 O3
Molecular Weight: 130.063
Synonyms: D2-1,2,4-Triazolin-5-one, 3-nitro-(7CI,8CI); 3-Nitro-1,2,4-triazol-5-one;5-Nitro-2,4-dihydro-1,2,4-triazol-3-one; 5-Oxo-3-nitro-1,2,4-triazole; NSC119860; NTO; NTO (explosive)
Density: 2.46g/cm3
Boiling Point: °Cat760mmHg
Flash Point: °C
Solubility: 17.2g/L at 25℃
Safety: Low toxicity by ingestion and skin contact. A skin and eye irritant. An unstable explosive. When heated to decomposition it emits toxic vapors of NOx.
PSA: 107.36000
LogP: -0.47060
Related products
Synthetic route
930-33-6

2,4-dihydro-1,2,4-triazol-3-one

932-64-9

3-nitro-1,2,4-triazol-5-one

Conditions
ConditionsYield
With sulfuric acid; nitric acid In water at 65℃; for 2h;96%
With nitric acid at 50 - 85℃; for 0.5h;84%
With nitric acid at 54.9 - 59.9℃;
With sulfuric acid; nitric acid
With sulfuric acid; nitric acid In water at 65℃; for 2h;

1-nitro-4,5-dihydro-1H-1,2,4-triazol-5-one

932-64-9

3-nitro-1,2,4-triazol-5-one

Conditions
ConditionsYield
With sulfuric acid
1423-60-5

methyl ethynyl ketone

932-64-9

3-nitro-1,2,4-triazol-5-one

603-35-0

triphenylphosphine

2-(5-nitro-2,4H-1,2,4-triazol-4-yl-2-ylid)-1-methyl-3-triphenylphosphoniopropanone

Conditions
ConditionsYield
In dichloromethane at 20℃; for 5h;98%
...Expand
922-67-8

propynoic acid methyl ester

932-64-9

3-nitro-1,2,4-triazol-5-one

603-35-0

triphenylphosphine

methyl 2-(5-nitro-2,4H-1,2,4-triazol-4-yl-2-ylid)-1-methyl-3-triphenylphosphoniopropionate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 5h;98%
...Expand
932-64-9

3-nitro-1,2,4-triazol-5-one

603-35-0

triphenylphosphine

623-47-2

propynoic acid ethyl ester

ethyl 2-(5-nitro-2,4H-1,2,4-triazol-4-yl-2-ylid)-1-methyl-3-triphenylphosphoniopropionate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 5h;95%
...Expand

5-amino-3-(3,4-diamino-1,2,4-triazol-5-yl)-1H-1,2,4-triazole

932-64-9

3-nitro-1,2,4-triazol-5-one

C4H7N9*C2H2N4O3

Conditions
ConditionsYield
In water for 0.5h; Reflux;90%
400063-96-9

3,6-diamino-1H-[1,2,4]triazolo[4,3-b][1,2,4]triazole

932-64-9

3-nitro-1,2,4-triazol-5-one

3,6-diamino-7H-[1,2,4]triazolo[4,3-b][1,2,4]triazol-2-ium 3-nitro-5-oxo-1,2,4-triazolate

Conditions
ConditionsYield
In water at 50℃; for 4h;89%
996-98-5

oxalic acid hydrazide

932-64-9

3-nitro-1,2,4-triazol-5-one

C2H2N4O3*C2H6N4O2

Conditions
ConditionsYield
In water at 80℃; for 2h;88%
932-64-9

3-nitro-1,2,4-triazol-5-one

1003-34-5

3-chloro-1,2,4-triazol-5(1H,4H)-one

Conditions
ConditionsYield
With hydrogenchloride for 7h; Substitution; Heating;85.7%
50-00-0

formaldehyd

932-64-9

3-nitro-1,2,4-triazol-5-one

78663-78-2

2-Hydroxymethyl-5-nitro-2,4-dihydro-[1,2,4]triazol-3-one

Conditions
ConditionsYield
In water; acetone for 8h; Ambient temperature;85%
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Chemistry

MF OF NITROTRIAZOLONE: C2H2N4O3
MW OF NITROTRIAZOLONE: 130.06228

Toxicity Data With Reference

1.   

skn-rbt 500 mg/24H MLD

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. DE86-003296 .
2.   

eye-rbt 100 mg MLD

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. DE86-003296 .
3.   

orl-rat LD50:>5 g/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. DE86-003296 .
4.   

orl-mus LD50:>5 g/kg

   NTIS**    National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) No. DE86-003296 .

Safety Profile

RIDADR: 0490
HazardClass: 1.1D
Low toxicity by ingestion and skin contact. A skin and eye irritant. An unstable explosive. When heated to decomposition it emits toxic vapors of NOx.

Standards and Recommendations

DOT Classification:  Explosive 1.1D; Label: Explosive 1.1D