Colorless flaky crystal with luster
Purity (hplc):
¡ã99.0%
Boiling point:
218c
Melting point:
79 - 83c
Density:
0.99g/ml at 25 c (lit.)
Flash point:
78c
Solubility:
Insoluble in water, soluble in ethyl ether, ethanol, chloroform, carbon disulfide and benzene
Risk mark:
Xn;n
Risk codes:
R22; r40; r50/53
Un no.:
Un 1334
Packing:
25kg /fiber drum with the lining of plastic film
Use: It is the basic chemical material, used for pesticide, dye intermediates and mothball
Our company have own r&d team, so we can guarantee our technique update at all times to satisfy different customers requirement. At the same time we have professional sales team for international trade, to give you best and quick service during our cooperation. All these can ensure our company to be a leading manufacturer and supplier of coal chemicals.
Name Refined Naphthalene
Synonyms Naphthalene
Molecular Formula C10H8
Molecular Weight 128.17
CAS Registry Number 91-20-3;72931-45-4
Specification >99%
Appearance White Flakes
Assay 98% min
Specific Rotation 22.8~28.8 degree
Loss on Drying Not more than 5.0%
pH 1.0~3.0
Heavy Metals (Pb) Not more than 10 PPM
Quality Standard Customer's Standards
Use Intermediate Medicinal
Availability Regular production
Packing polyethlene woven bag (25-50kg/bag)
Packed with woven bag lined with plastic bag,
31kg/bag, 490 bag/20'FCL
Item: Superior Product First Class Product Qualified Product Crystallization Point : 79.8Naphthalene Content % : 99.30% Appearance:white, slight red or yellowish tint, flake-like crystal