Introduction：Basic information about CAS 41680-34-6|3-Amino-4-pyrazolecarboxylic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 3-Amino-4-pyrazolecarboxylic acid |
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| CAS Number | 41680-34-6 | Molecular Weight | 127.101 |
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| Density | 1.7±0.1 g/cm3 | Boiling Point | 502.7±35.0 °C at 760 mmHg |
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| Molecular Formula | C4H5N3O2 | Melting Point | 135 °C (dec.)(lit.) |
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| MSDS | ChineseUSA | Flash Point | 257.8±25.9 °C |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 3-Amino-1H-pyrazole-4-carboxylic acid |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.7±0.1 g/cm3 |
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| Boiling Point | 502.7±35.0 °C at 760 mmHg |
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| Melting Point | 135 °C (dec.)(lit.) |
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| Molecular Formula | C4H5N3O2 |
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| Molecular Weight | 127.101 |
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| Flash Point | 257.8±25.9 °C |
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| Exact Mass | 127.038177 |
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| PSA | 92.00000 |
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| LogP | 0.40 |
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| Vapour Pressure | 0.0±1.4 mmHg at 25°C |
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| Index of Refraction | 1.720 |
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| InChIKey | KMRVTZLKQPFHFS-UHFFFAOYSA-N |
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| SMILES | Nc1[nH]ncc1C(=O)O |
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| Storage condition | Refrigerator (+4°C) |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- UQ6390000
- CHEMICAL NAME :
- 4-Pyrazolecarboxylic acid, 3-amino-
- CAS REGISTRY NUMBER :
- 41680-34-6
- LAST UPDATED :
- 199206
- DATA ITEMS CITED :
- 1
- MOLECULAR FORMULA :
- C4-H5-N3-O2
- MOLECULAR WEIGHT :
- 127.12
- WISWESSER LINE NOTATION :
- T5MNJ CZ DVQ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 180 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04843
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H315-H319-H335 |
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| Precautionary Statements | P261-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi: Irritant; |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S37/39 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| RTECS | UQ6390000 |
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| HS Code | 2933199090 |
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Customs
| 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% |
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Articles1
More Articles
| 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) ... | |
Synonyms
| 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 |
