A77407
3-氨基吡唑-4-甲酸
95%
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经验公式（希尔记法）:
C4H5N3O2
化学文摘社编号:
分子量:
127.10
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
255-493-7
MDL number:
Assay:
95%
Form:
powder
InChI key
KMRVTZLKQPFHFS-UHFFFAOYSA-N
InChI
1S/C4H5N3O2/c5-3-2(4(8)9)1-6-7-3/h1H,(H,8,9)(H3,5,6,7)
SMILES string
Nc1n[nH]cc1C(O)=O
assay
95%
form
powder
mp
135 °C (dec.) (lit.)
storage temp.
2-8°C
Quality Level
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
A J Dobson et al.
Acta crystallographica. Section C, Crystal structure communications, 54 ( Pt 2), 253-256 (1998-04-16)
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) and 2.747 (2) A link molecules into two sets of chains propagating along [110] and [110].
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