PYRAZINAMIDE

Pyrene
Molecular Formula	C16H10
Molecular Weight	202.24
Boiling point	404 °C
Melting point	156 °C
Chemical Abstract Number	129-00-0

Pyridine (Glass Distilled)
Molecular Formula	C5H5N
Molecular Weight	79.10
Molecular Weight	0.98
At temp	20
Boiling point	114.3-116.3°C
Melting point	-42 °C
UN No.	1282
Chemical Abstract Number	110-86-1
Assay (%) Teneur	min 99.8%
Boiling range (°C) Ecart d'ébullition	115-116
Density (g/ml @ 25 °C) Densité	0.978
Evaporation residue/Résidu d'évaporation	0.0004%
Water (H2O) Eau	0.05%
Optical Absorbance Optique
400 nm	0.005
350 nm	0.01
340 nm	0.10
330 nm	0.30
320 nm	1.00

Meets A.C.S. specs./Conforme aux normes A.C.S.

Pyridine (Redistilled Redistillé)
Molecular Formula	C5H5N
Molecular Weight	79.10
Molecular Weight	0.98
At temp	20
Boiling point	114.3-116.3°C
Melting point	-42 °C
UN No.	1282
Chemical Abstract Number	110-86-1
Assay (%) Teneur	min 99.0
Reducing substances/Subst. réduisantes	T.P.T.
Evaporation residue/Résidu d'évaporation	0.002%
Solubility in water/Solub. dans l'eau	T.P.T.
Water (H2O) Eau	0.1%
Chloride (Cl) Chlorure	0.001%
Sulfate SO4	0.001%
Ammonia (NH3)	0.002%
Copper (Cu) Cuivre	5 ppm

Pyridine
Molecular Formula	C5H5N
Molecular Weight	79.10
Molecular Weight	0.98
At temp	20
Boiling point	114.3-116.3°C
Melting point	-42 °C
UN No.	1282
Chemical Abstract Number	110-86-1

PYRIDINE-2-ALDEHYDE 99%

4-Pyridine (98%)
Molecular Weight	107.11
Molecular Weight	1.122
At temp	20
Boiling point	77-78 °C/12mm
UN No.	1989
Chemical Abstract Number	872-85-5

Pyridinium Bromide (90%)
Molecular Weight	319.84
UN No.	1759
Chemical Abstract Number	39416-48-3

Pyridinium (98%)
Molecular Formula	C5H6NClCrO3
Molecular Weight	215.56
Melting point	205 °C (dec)
UN No.	1479
Chemical Abstract Number	26299-14-9

Pyridoxine Hydrochloride
Molecular Formula	C8H11NO3·HCl
Molecular Weight	205.64
Melting point	214 °C (dec)
Chemical Abstract Number	58-56-0