Note: Ingredients listed on restricted chemical lists
General Information
Revision date
2019-09-09
Product name
640f
CAS No.
7440-21-3
1.2.1 Relevant identified uses
of This Material and Restrictions of Use This Standard Reference Material (SRM) is intended for use as a standard for calibration of diffraction line positions and line shapes, determined through powder diffractometry. A unit of SRM 640f consists of approximately 7.5 g of silicon powder bottled under argon
Emergency telephone
ChemTrec
Icons in SDS
Company Information
company name
National Institute of Standards and Technology
e-mail address of the competent person responsible for the Safety Data Sheet
SRMMSDS@nist.gov
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H228
Hazard statements
Code
Statements
H228
Flammable solid
Section 2
Physical hazards
Flammable Solids Category 2
Health hazards
Not classified.
Signal word
WARNING
Hazard statements
H228 Flammable solid.
Precautionary statements
P210 Keep away from heat, sparks, open flames and hot surfaces – No smoking. P280 Wear protective gloves, protective clothing and eye protection. P370 + P378 In case of fire: Use dry powder for metal fires or other appropriate media for extinction.
2.3 Other hazards
Not applicable
Ingredient(s) with unknown acute toxicity
Not applicable 3. COMPOSITION AND INFORMATION ON HAZARDOUS INGREDIENTS