Isoniazid, EP grade CAS 54-85-3

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CAS: 54-85-3

MF: C₆H₇N₃O

MW: 137.14

Physical Description	White or almost white crystalline powder, or colourless crystals
Melting Point	170 - 174 °C
Identification (IR)	To conform to standard
Identification	To pass test C
Solubility (5% in water)	Clear, colourless solution (≤ BY7)
pH (5% in water)	6.0 - 8.0
Hydrazine	≤ 15ppm
Impurity A	≤ 0.15%
Impurity B	≤ 0.15%
Any Unspecified Impurity	≤ 0.10%
Total Impurities	≤ 0.5%
Sulfated Ash	≤ 0.1%
Loss on Drying	≤ 0.5% (105°C)
Assay	99.0 - 101.0 % (dried substance)
Pharmacopoeia Specification(s)	EP
Specification Version	1.0

Pictograms
Signal word	Warning
Hazard statements	H302: Harmful if swallowed H315: Causes skin irritation
Precautionary statements	P261: Avoid breathing dust/fume/gas/mist/vapors/spray. P280: Wear protective gloves/protective clothing/eye protection/face protection. P301+P312: IF SWALLOWED: call a POISON CENTER/doctor/... IF you feel unwell. P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing.
Supplementary EUH statements
UN Number	-
WGK	WGK 3
SDS Version	3.0