Product Identification

Product Name：Sulfuric acid

Synonyms：Oil of vitrol

CAS NO.：7664-93-9

Formula：H2SO4

Molecular Weight：98.08

EINECS：231-639-5

RTECS：WS5600000

RTECS Class：Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector; Human Data; Primary Irritant

Merck：12,9147

Beilstein/Gmelin：2122 (G)

EC Index Number：016-020-00-8

EC Class：Corrosive

 

Physical and Chemical Properties

【Appearance】

Clear, colorless, odorless, dense, oily liquid when pure, yellow to dark brown when impure. Hygroscopic.

【Solubility in water】

Very soluble

【Melting Point】

-64

【Boiling Point】

337

【Vapor Pressure】

.00006

【Density】

1.39 g/cm3 (20 C)

【pKa/pKb】

Strong acid

【Heat Of Vaporization】

56 kJ/mol

【Usage】

In the manufacture of dyestuffs, other acids, parchment paper, glue, purification of petroleum, pickling metal. Therap cat: dilute acid formerly in treatment of gastric hypoacidity. Concentrated acid formerly as a topical caustic.

【Saturation Concentration】

Less than 395 ppm (0.04%) at 25 C (calculated)

【Vapor Density】

3.4

【Odor threshold】

1.0 mg/m3

【Refractive Index】

1.41827 (20 C)