Bio-Rad Protein Assay - Manual (Page 21)

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MATERIAL SAFETY DATA SHEET
I. PRODUCT IDENTIFICATION
TRADE NAME: Phosphoric Acid (as used in Protein Assay Kits I & II
and the Dye Reagent Concentrate).
Catalog No.: 500-000l, 500-0002, 500-0006
Chemical identity, Common names: Phosphoric acid, ortho-phosphoric
acid, white phosphoric acid.
Formula: H
3
PO
4
M.W.: 98.00
MANUFACTURER’S NAME:
BIO-RAD LABORATORIES
EMERGENCY PHONE No:
2000 ALFRED NOBEL DRIVE 510/741-1000
HERCULES, CALIFORNIA 94547
DATE PREPARED OR REVISED: March 31, 1993
NAME OF PREPARER: Roy Wood
II. HAZARDOUS INGREDIENTS
This product contains the following toxic chemical subject to the
reporting requirements of section 313 of the Emergency Planning and
Community Right-To-Know Act of 1986 and of 40 CFR 372:
Chemical CAS Exposure Limits in Air
Names Numbers Percent* ACGIH TLV OSHA PEL Other
Phosphoric 7664-38-2 50% (in mix) 1 mg/m 3 1 mg/m 3 ACGIH TLV
acid (TWA) (TWA) 3 mg/m 3
(STEL)
TWA=8-hour Time Weighted Average
STEL=Short Term Exposure Limit (l5 minute)
* The other 50% of the mix is 25% water and 25% methanol
[see MSDS #500-0001(a)].
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