All posts by rdavis

Carbon, Hydrogen, Oxygen

CAS # 108-95-2 C6H6O FW: 94.11

Specifications:

Assay: 99.8 % min.
Appearance Clear colorless
Residue after evaporation: 0.05 % max.
Freezing Point Not below 40.5 oC
Heavy Metals (as Pb): 5 ppm max.
% H2O:0.15 % max.

(90%) Specifications:

Assay: 90.0% ± 0.5%
Color (APHA):50 max.
Residue after evaporation:0.05 % max.
pH: 3.5 – 4.2
Heavy Metals (as Pb):0.01 % max.
Iron: 1 ppm max.

25 g glass bottle
Item # 5700-01

100 g glass bottle
Item # 5700-02

500 g glass bottle
Item # 5700-03

Carbon, Hydrogen, Oxygen

3-methylphenol

CAS #108-39-4 C7H8O FW 108.1

Specifications:

Assay: 99.0% min.
Moisture: 0.10% max.
Color (APHA): 15 max.
Phenol content: 0.05% max
Absorbency, 320 nm: 0.16 max.
Total Sulfur: 0.001% max.
Nitrogen Bases: 0.001% max.
Infrared Spectrum: matches standard

2.5 L bottle: Item # 4500-01
4 L bottle: Item # 4500-02
20 L pail: Item # 4500-03

Carbon, Chlorine, Hydrogen
CAS #67-66-3 CHCl3 FW 119.38

Specifications:

Assay: 99.8 % min.
Color (APHA): 10 max.
Residue after evaporation: 0.001 % max.
Acetone and Aldehyde: passes test
Acid and Chloride: passes test
Lead: 0.05 ppm max.
Substances darkened by H2SO4: passes test
UV, 245-255 nm: 1.0 – 0.25
UV, 260-270 nm: 0.15 – 0.05
UV, 290-400 nm: 0.01
Free chlorine: passes test
Suitability for use in dithizone test: passes test

2.5 L amber glass bottle: Item # 1100-01
20 L pail: Item # 1100-02