Product ID:S-234, SODIUM DICHROMATE DIHYDRATE
MSDS Date:07/07/1988
FSC:6810
NIIN:00-975-1523
MSDS Number: BPKPF

FISHER SCIENTIFIC

1 REAGENT LANE
FAIR LAWN, NJ 07410-2802
US

Emergency Phone: 201-796-7100;800-424-9300(CHEMTREC)

Info Phone: 201-796-7100

Cage: 1B464

FISHER SCIENTIFIC CO. CHEMICAL MFG DIV

FAIRLAWN, NJ 07410-2802 US

Telephone: 201-796-7100

Cage: 1B464

DICHROMIC ACID (H*2CR*2O*7), DISODIUM SALT, DIHYDRATE;

CAS: 7789-12-0

RTECS: HX7750000

Fraction By Weight: 100%

OSHA PEL 0.1 (CRO*3)PPM, C

ACGIH TLV: 0.05 MG/M3

IMMED GIVE 2-4 GLASSES

RTECS: 9999999ZZ

FOLLOWING

RTECS: 9999999ZZ

POISONING REQ ADMIN OF ANY ANTIDOTE & ACTUAL DOSE

RTECS: 9999999ZZ

DIMERCAPROL, 3 MG/KG 10% SOLN IN OIL, INTRAMUSCULARLY

RTECS: 9999999ZZ

ADMINISTERED BY QUALIFIED MED PERS. ANTIDOTE IS NOT

RTECS: 9999999ZZ

ABSORB MATL & PLACE INTO CONTR FOR LATER DISP.

RTECS: 9999999ZZ

PEOPLE AWAY. ISOLATE HAZARD AREA AND DENY ENTRY.

RTECS: 9999999ZZ

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL: IRRITANT. ACUTE: THERE MAY BE
IRRIT & PULM EDEMA AFTER EXPOS TO HIGH CONC. CHRONIC: HISTOLOGIC
FIBROSIS OF LUNGS MAY OCCUR, PROGRESSING TO PNEUMOCONIOSIS. SKIN:
ACUTE: IRRIT, PAIN, SWELLING & D ERM CHARACT BY ECZEMA &
ULCERATION. MAYBE ABSORBED. CHRONIC: PRLNG EXPOS MAY LEAD TO
INCAPACITATING (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:ECZEMATOUS DERM W/EDEMA, & ULCERATION
THAT HEALS SLOWLY. EYE: ACUTE: MAY CAUSE RED & IRRIT. SOLN ARE
ACIDIC & MAY CAUSE CORNEAL BURNS. CHRONIC: RPTD/RPLNG CONT MAY
CAUSE CONJ & CORNEAL BURNS. INGEST: ACUTE/CHRONIC: NO EFTS ARE
KNOWN IN HUMANS. SODIUM DICHROMATE DIHYDRATE IS AN IRRITANT &
CAUSTIC TO (SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:SKIN: REMOVE FROM EXPOS TO FRESH AIR IMMED. IF BRTHG HAS
STOPPED, PERFORM ARTF RESP. KEEP WARM & @ REST. GET MED ATTN IMMED.
SKIN: REMOVE CONTAMD CLTHG & SHOES IMMED. WASH AFFECTED AREA
W/SOAP/MILD DE TERGENT & LG AMTS OF H*2O UNTIL NO EVIDENCE OF CHEM
REMAINS (APPROX 15-20 MIN). GET MED ATTN IMMED. EYE: WASH IMMED
W/LG AMTS OF H*2O, OCCAS LIFT LIDS, UNTIL NO EVIDENCE OF CHEM
REMAINS (SUPP DATA)

Flash Point:NONFLAMMABLE
Extinguishing Media:DRY CHEM, CO*2, HALON/WATER SPRAY. FOR LARGER
FIRES, USE WATER SPRAY OR FOG.
Fire Fighting Procedures:NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP. MOVE
CONTR FROM FIRE AREA IF POSS. DO NOT SCATTER SPILLED MATL W/HIGH
PRESS H*2O STREAM. DIKE FIRE (SUPP DATA)
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPOSED TO
HEAT OR FLAME.

Spill Release Procedures:KEEP COMBUST (WOOD, PAPER, OIL, ETC) AWAY FROM
SPILLED MATL. DO NOT TOUCH SPILLED MATL . FOR SM DRY SPILLS,
W/CLEAN SHOVEL PLACE MATL INTO CLEAN, DRY CONTR & COVER; MOVE CONTR
FROM SPILL AREA. FOR SM LIQ SPILLS, TAKE UP W/SAND,
EARTH/OTHER(ING 7)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:CONSULT NFPA PUBLICATION 43A FOR
STORAGE REQUIREMENTS.
Other Precautions:MAY IGNITE OTHER COMBUSTIBLE MATERIALS (WOOD, PAPER,
OIL, ETC). REACTION WITH FUELS MAY BE VIOLENT. RUNOFF TO SEWER MAY
CREATE FIRE OR EXPLOSION HAZARD.

Respiratory Protection:NIOSH/MSHA APPROVED RESPIRATOR. FOR MORE
SPECIFIC INFO CONTACT NEHC .
Ventilation:PROVIDE LOCAL EXHAUST VENTILATION SYSTEM TO MEET PUBLISHED
EXPOSURE LIMITS.
Protective Gloves:IMPERVIOUS GLOVES .
Eye Protection:CHEM WORK GOG & FULL LENGTH FSHLD.
Other Protective Equipment:EYE WASH FOUNTAIN AND QUICK DRENCK SHOWER.
APPROPRIATE PROTECTIVE (IMPERVIOUS) CLTHG & EQUIP TO PREVENT
CONTACT.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN.
Supplemental Safety and Health
PH: 4.0(1% SOLN). FIRE FIGHT PROC: CTL H*2O FOR LATER DISP. USE AGENTS
SUITABLE FOR TYPE OF SURROUNDING FIRE. AVOID BRTHG HAZ VAP, KEEP
UPWIND. EFTS OF OVEREXP:SKIN/EYES/MUC MEMB & RESP TRACT IF DUST
INHALED. FIRST AID PROC:(@ LST 15 MIN),IN CASE OF BURNS, APPLY
STERILE BANDAGES LOOSELY W/OUT MEDICATION. GET (ING 2)

Boiling Pt:B.P. Text:752F,400C
Melt/Freeze Pt:M.P/F.P Text:212F,100C
Spec Gravity:2.4
pH:SUPDAT
Solubility in Water:70.6%@0C
Appearance and Odor:REDDISH TO BRIGHT ORANGE CRYSTALS, SOMEWHAT
DELIQUESCENT

Stability Indicator/Materials to Avoid:YES
SODIUM DICHROMATE REACTS VIOLENTLY W/HYDRAZINE. OXIDIZING MATERIALS.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:THERMAL DECOMPOSITION PRODUCTS INCLUDE
TOXIC FUMES OF CHROMIUM.

Waste Disposal Methods:DISPOSE OF IN ACCORDANCE WITH FEDERAL, STATE AND
LOCAL REGULATIONS .

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