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Tianjin Handewei Pharmaceutical Co., Ltd.
Tianjin Handewei Pharmaceutical Co., Ltd.
16 YRS
Tianjin, China
Main Products:
Nicotinamide / Isoniazid / Isonicotinic Acid
Tianjin, China
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Isonicotinic Acid / CAS 55-22-1
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DESCRIPTION
Isonicotinic Acid
Molecular formula:C6H5O2N
CAS CODE：55-22-1
Molecular weight:123.11
Structural formula：
Introduction to the product:
Isonicotinic acid is the major raw material for producing isoniazid , terfenadine and isonicotinic acid osters esters and it can serve as intermediate for other medicine and chemical products.
Quality standard(Factory standard)
ITEMS | STANDARD | ||
GRADE I | GRADE II | ||
Appearance | White or almost white powder | White or almost white powder | |
Colour index | ≤20 |
| |
Colour of solution |
| Not deeper than stanard | |
Loss on drying | ≤1.0% | ≤1.0% | |
Residue on ignition | ≤0.15% | ≤0.5% | |
Related substances | total | ≤1.0% |
|
Any single | ≤0.5% | ||
Assay | ≥99.0% | ≥99.0% | |
Packing specification:25kg/cardboard drumΦ330mm x h600mm
Typical Properties
Summary
Used as a pharmaceutical intermediate, mainly used in the production of isoniazid for anti tuberculosis drugs, and for the synthesis of derivatives of amide, hydrazine and ester.
CAS No.
55-22-1
Formula
C6H5NO2
Molecular Mass
123.10900
Exact Mass
123.03200
PSA
50.19000
Logp
0.77980
IUPAC
pyridine-4-carboxylic acid
SMILES
C1=CN=CC=C1C(=O)O
Attribute classification
Matter Classification
organic
Category
API & Intermediate > Pharmaceutical Intermediates
Plant and Other Extracts > Herbal Drugs Preparation
Plant and Other Extracts > Herbal Drugs Preparation
Chemical and Physical Properties
Melting Point
≥300 °C(lit.)
Density
1.293g/cm3
Boiling Point
260 °C (15 mmHg)
Flash Point
260°C/15mm
Appearance
White to grayish white crystalline solid
Export information
HS Code
29333600
Export Rebate
13%
Export Formalities
2,3
UN No.
0.0
DG-Class
0.0
Risk Code
36/37/38
Safety Label
Xi
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