Talc
[CAS# 14807-96-6]

Identification

• Name: Talc
• Synonyms: Talc (Mg3H2(SiO3)4); 10MO-OS; 15MOO; 20MOOS; 3000N1; 3S; 5000A; 5000PJ; 5000S; 5000SA; 850JS; A 1; A 1 (talc); A 10; A 10 (talc); A 10XC; A 20; A 27678
• Molecular Formula: Mg₃H₂Si₄O₁₂
• Molecular Weight: 379.27
• CAS Registry Number: 14807-96-6
• EC Number: 238-877-9

Properties

• Density: 2.75 g/cm^3*
• Melting point: 900-1000 ºC^**

^* Galikhov, M. F.; Materialovedenie 2005, (10), P22-26.

^** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R20;R37
• Safety Description: S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Carcinogenicity	Carc.	1A	H350
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	3	H331
Chronic hazardous to the aquatic environment	Aquatic Chronic	4	H413