BENZENE

BENZENE AR/ACS

Benzol; Phenyl hydride

Article No.

00039

Grade

AR/ACS

Purity

99.5%

CAS No.

71-43-2

Molecular Formula

C₆H₆

Molecular Weight

78.11

H.S. Code

2902.2000

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical Properties

Physical state at 20 °C

Liquid

Colour

Clear Colorless

Odour

Aromatic odor

Melting point/ Freezing point [°C]

5.5 °C

Auto-ignition temperature [°C]

562°C

Flammability (solid, gas)

Flammable

Flash point [°C]

-11 °C

Boiling point [°C]

80.0 - 80.2 °C

Vapour pressure [20°C]

99.5 hPa at 20 °C

Vapour density

2.8

Density [g/cm3]

0.8765

Relative density, gas (air=1)

0.88

Solubility in water [% weight]

0.180 g/100 ml @ 25°C

Viscosity at 40°C [mm2/s]

0.647mPa @ 20 deg C

Explosion limits - upper [%]

8.00%

Explosion limits -lower [%]

1.30%

Packings

500 ml (00500)
1000 ml (01000)
2500 ml (02500)
25 Liters (0025K)
2500 ml (02500)
2500 ml (02500)

Specifications

Appearance	Clear colorless liquid
Purity (by GC)	Min 99.5%
Identity (IR)	Passes test
Colour scale	Max 10 APHA
Weight/ mL at 20°C	0.877-0.878 g
Refractive index (20°C; 589 nm)	1.499 -1.502
Alkalinity	Max 0.0001 meq/g
Copper (Cu)	Max 0.00002%
Iron (Fe)	Max 0.00005%
Lead (Pb)	Max 0.00002%
Substance darkened by H2SO4	Passes test
Sulphur compounds (S)	Max 0.005%
Thiophene (C4H4S)	Passes test (about 1 ppm)
Freezing point	Min 5.2°C
Water (H2O)	Max 0.05%
Acidity	Max 0.0001 meq/g
Residue on evaporation	Max 0.001%

Safety Information and Hazard Symbols

Symbol: GHS02, GHS07,GHS08
Signal Word: Danger
UN No.: 1114
IMCO Class No.: 3
Packing Group: II
Hazardous Statement: H225-H304-H315-H319-H340-H350-H372
Precaution Statement: P201-P210-P301 + P310-P305 + P351 + P338-P308 + P313-P331

Revision Date : 16-Jun-2021