3-Amino-4-pyrazolecarboxylic acid structure
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Common Name | 3-Amino-4-pyrazolecarboxylic acid | ||
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CAS Number | 41680-34-6 | Molecular Weight | 127.101 | |
Density | 1.7±0.1 g/cm3 | Boiling Point | 502.7±35.0 °C at 760 mmHg | |
Molecular Formula | C4H5N3O2 | Melting Point | 135 °C (dec.)(lit.) | |
MSDS | Chinese USA | Flash Point | 257.8±25.9 °C | |
Symbol |
GHS07 |
Signal Word | Warning |
Name | 3-Amino-1H-pyrazole-4-carboxylic acid |
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Synonym | More Synonyms |
Density | 1.7±0.1 g/cm3 |
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Boiling Point | 502.7±35.0 °C at 760 mmHg |
Melting Point | 135 °C (dec.)(lit.) |
Molecular Formula | C4H5N3O2 |
Molecular Weight | 127.101 |
Flash Point | 257.8±25.9 °C |
Exact Mass | 127.038177 |
PSA | 92.00000 |
LogP | 0.40 |
Vapour Pressure | 0.0±1.4 mmHg at 25°C |
Index of Refraction | 1.720 |
Storage condition | Refrigerator (+4°C) |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
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Symbol |
GHS07 |
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Signal Word | Warning |
Hazard Statements | H315-H319-H335 |
Precautionary Statements | P261-P305 + P351 + P338 |
Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
Hazard Codes | Xi: Irritant; |
Risk Phrases | R36/37/38 |
Safety Phrases | S26-S37/39 |
RIDADR | NONH for all modes of transport |
WGK Germany | 3 |
RTECS | UQ6390000 |
HS Code | 2933199090 |
~% 3-Amino-4-pyraz... CAS#:41680-34-6 |
Literature: Schmidt; Druey Helvetica Chimica Acta, 1956 , vol. 39, p. 986,988 |
HS Code | 2933199090 |
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Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Complex network of hydrogen bonds in 3-aminopyrazole-4-carboxylic acid.
Acta Crystallogr. C 54 ( Pt 2) , 253-6, (1998) 3-Aminopyrazole-4-carboxylic acid, C4H5N3O2, crystallized in the non-centrosymmetric space group P21 in the zwitterionic form. Intermolecular N--H...O hydrogen bonds with N...O distances of 2.768 (2) ... |
3-Amino-1H-pyrazole-4-carboxylic acid |
1H-Pyrazole-4-carboxylic acid, 3-amino- |
3-Amino-4-pyrazolecarboxylic acid |
EINECS 255-493-7 |
3-Aminopyrazole-4-carboxylic acid |
MFCD00005239 |