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1308-31-2

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1308-31-2 Usage

Chemical Properties

Iron-black to brownish-black color, dark-brown streak, metallic to submetallic luster. Mohs hardness 5.5.

Uses

Only commercial source of chromium and its compounds.

Definition

A natural oxide of ferrous iron and chromium, sometimes with magnesium and aluminum present. Usually occurs in magnesium and iron-rich igneous rocks.

Hazard

A confirmed carcinogen.

Safety Profile

Confirmed human carcinogen during ore processing. Human mutation data reported. See also CHROMIUM COMPOUNDS and IRON.

Check Digit Verification of cas no

The CAS Registry Mumber 1308-31-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,0 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1308-31:
(6*1)+(5*3)+(4*0)+(3*8)+(2*3)+(1*1)=52
52 % 10 = 2
So 1308-31-2 is a valid CAS Registry Number.

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1308-31-2Downstream Products

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