Product ID:SODIUM DICHROMATE
MSDS Date:04/06/1989
FSC:6810
NIIN:00-312-7158
MSDS Number: BLPFH

MALLINCKRODT INC SCIENCE PROD DIV

PARIS, KY 43061
US

Emergency Phone: 314-982-5000

Info Phone: 314-982-5000

Cage: 62910

MALLINCKRODT SPECIALTY CHEMICALS CO

PHILLIPSBURG, NJ 08865 US

Telephone: 908-859-2151

Cage: 62910

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

CAS: 7789-12-0

RTECS: HX7750000

OSHA PEL 0.1 MG(CRO*3)/M3

ACGIH TLV: 0.05 MG(CR)/M3

SODA LIME. DISPOSE OF SOLIDS AS HAZ WASTE IN RCRA

RTECS: 9999999ZZ

GARMENTS AT END OF DAY.AVOID CROSS- CONTAM OF

RTECS: 9999999ZZ

MATLS. DO NOT STORE NEAR COMBUST MATLS. STORE IN

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IMMED.USE ONLY W/ADEQ VENT.DO NOT BREATHE DUST.DO NOT

RTECS: 9999999ZZ

OR SMOKE IN WORKPLACE. WASH THOROUGHLY AFTER

RTECS: 9999999ZZ

BECAUSE IT CAN CONTROL EMISSIONS OF CONTAMINANT AT

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DANGER! POWERFUL OXIDIZER. CAUSES SEVERE

RTECS: 9999999ZZ

CONTAINS HEXAVALENT CHROMIUM. EXPOSURE MAY CREATE A

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL,RAT)50 MG/KG.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:INHAL:SEVERE IRRITANT. CORR ACTION ON
MUC MEMB & RESP TRACT MAY PRDCE NASAL IRRIT & BURNING SENSATION IN
THROAT. INGEST:TOXIC. CORR TO MOUTH & GI TRACT. SYMPS MAY INCLUDE
ABDOMINAL PAIN, DIZZ, VOMIT, INTENSE THIRST, SHOCK & KIDNEY
FAILURE.FATAL DOSE MAY BE AS LOW AS 5 GRAMS. SKIN:CORR. MAY PRDCE
(SEE EFTS OF OVEREXP)
Explanation of Carcinogenicity:SODIUM DICHROMATE:GROUP 1 (NTP); IARC -
GROUP 1
Effects of Overexposure:HLTH HAZ:SKIN RASHES & ULCERS. BICHROMATES ARE
SKIN SENSITIZERS. EYE:CORR. MAY CAUSE CONJUNCT IF IN CNTCT W/EYES.
CHRONIC:RPTD SKIN CNTCT MAY LEAD TO INCAPACITATING DERM & SLOW
HEALING ULCERS. RPTD IN HAL MAY CAUSE PERFORATION OF NASAL SEPTUM.
BICHROMATES PRIMARILY TOXIC TO KIDNEYS, LIVER & GI TRACT. (SEE ING
8)
Medical Cond Aggravated by Exposure:PERSONS W/PRE-EXISTING SKIN OR EYE
PROBLEMS OR IMPAIRED LIVER, KIDNEY OR RESPIRATORY FUNCTION MAY BE
MORE SUSCEPTIBLE TO EFFECTS OF THIS SUBSTANCE.

First Aid:INHAL:REMOVE TO FRESH AIR. IF NOT BRTHG, GIVE ARTF RESP. IF
BRTHG DFCLT, GIVE O*2. CALL MD. INGEST: INDUCE VOMIT IMMED BY
GIVING 2 GLASSES OF WATER & STICKING FINGER DOWN THROAT. NEVER GIVE
ANYTHING B Y MOUTH TO UNCON PERSON. CALL MD IMMED.SKIN:REMOVE ANY
CONTAMD CLTHG. WIPE OFF EXCESS FROM SKIN. WASH W/PLENTY OF WATER
FOR AT LEAST 15 MIN.GET MD IMMED. EYE:WASH W/PLENTY OF WATER FOR AT
(SUPP DATA)

Flash Point:NOT COMBUSTIBLE
Extinguishing Media:USE ANY MEANS SUITABLE FOR EXTINGUISHING
SURROUNDING FIRE. WATER SPRAY MAY BE USED TO KEEP FIRE EXPOSED
CONTAINERS COOL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPRVD SCBA & FULL PROT EQUIP
. NOT COMBUSTIBLE, BUT SUBSTANCE IS STRONG OXIDIZER & HEAT OF RXN
W/REDUCING AGENTS/COMBUST MAY CAUSE IGNIT.
Unusual Fire/Explosion Hazard:STRONG OXIDANTS MAY EXPLODE WHEN
SHOCKED/IF EXPOSED TO HEAT, FLAME/FRICTION. ALSO MAY ACT AS
INITIATION SOURCE FOR DUST OR VAPOR EXPLOSIONS.

Spill Release Procedures:REMOVE ALL SOURCES OF IGNIT. CLEAN-UP PERS REQ
PROT CLTHG & RESP PROT FROM CORR. CAREFULLY SWEEP UP & PLACE IN
METAL CNTNR FOR DISP. AVOID DUST DISPERSAL. FLUSH AREA OF SPILL
W/DILUTE FERROUS SULFATE/ SODIUM SULFITE SOLN & DISCARD TO SEWER.
Neutralizing Agent:NEUTRALIZE ANY REMAINING TRACES W/SODA ASH.

Handling and Storage Precautions:PROT AGAINST PHYS DMG. STORE IN DRY
LOCATION SEPARATE FROM COMBUST, ORG/OTHER READILY OXIDIZABLE MATLS.
AVOID STORAGE ON WOOD FLOORS.
Other Precautions:REMOVE & DISPOSE OF ANY SPILLED DICHROMATES; DO NOT
RETURN TO ORIGINAL CNTNRS. WEAR SPECIAL PROT EQUIP FOR MAINTENANCE
BREAK-IN/WHERE EXPOS MAY EXCEED ESTABLISHED EXPOS LEVELS. SHOWER,
DISPOSE OF OUTE R CLTHG, CHNG TO CLEAN (SEE ING 3)

Respiratory Protection:IF TLV EXCEEDED, A NIOSH/MSHA APPRVD DUST/MIST
RESP W/CHEM GOGGLES MAY BE WORN, IN GEN, UP TO 10 TIMES TLV.
CONSULT RESP SUPPLIER FOR LIMITATIONS. ALTERNATIVELY, NIOSH/MSHA
APPRVD SUPPLIED AIR FULL FA CEPIECE RESP/AIRLINED HOOD MAY BE WORN.
Ventilation:SYS OF LOCAL &/OR GEN EXHAUST RECOMM TO KEEP EXPOS BELOW
AIRBORNE EXPOS LIM. LOCAL EXHAUST VENT GEN PREFERRED(SEE ING 7)
Protective Gloves:IMPERVIOUS GLOVES.
Eye Protection:CHEM WORK GOG & FULL LENGTH FSHLD.
Other Protective Equipment:IMPERVIOUS PROT CLTHG, INCLDG BOOTS, LAB
COAT, APRON/COVERALLS. MAINTAIN EYE WASH FOUNTAIN & QUICK-DRENCH
FACILITIES.
Work Hygienic Practices:WASH HANDS, FACE, FOREARMS & NECK WHEN EXITING
RESTRICTED AREAS. WASH HANDS BEFORE EATING & DO NOT EAT, DRINK(SEE
ING 6)
Supplemental Safety and Health
BP:DECOMPOSES @ 752F. MATLS TO AVOID:ESPECIALLY IN PRESENCE OF STRONG
ACID SOLUTIONS. FIRST AID PROC: LEAST 15 MIN, LIFTING LIDS
OCCASNLY. GET MD IMMED. WASTE DISP METH:SULFATE/CHLORIDE. REDUCED
CHROM IUM MAY THEN BE PRECIPITATED AS HYDROUSCHROMIC OXIDE BY
NEUTRALIZING TO PH 7.5 W/SODA ASH, CAUSTIC SODA OR (SEE ING 2)

Boiling Pt:B.P. Text:SUPP DATA
Melt/Freeze Pt:M.P/F.P Text:675F,357C
Vapor Pres:0 @ 68F
Spec Gravity:2.35 @ 77F
Solubility in Water:SOLUBLE (73%)
Appearance and Odor:ORANGE-RED CRYSTALS OR GRANULES, ODORLESS.

Stability Indicator/Materials to Avoid:YES
HYDRAZINE, ACETIC ANHYDRIDE, ETHANOL, TRINITROTOLUENE, HYDROXYLAMINE,
STRONG ACIDS, OXIDIZABLE MATERIALS (SUPP DATA)
Stability Condition to Avoid:STABLE UNDER ORDINARY CONDITIONS OF USE
AND STORAGE.
Hazardous Decomposition Products:OXIDES OF CHROMIUM.

Waste Disposal Methods:CONTAINERIZED SOLIDS MAY BE SENT TO RCRA APPRVD
HAZ WASTE DISP FACILITY. HEXAVALENT CHROMIUM IN SOLN MAY BE REDUCED
TO TRIVALENT CHROMIUM BY A VARIETY OF REDUCING AGENTS SUCH AS
SODIUM BISULFITE, SODI UM SULFITE, SULFUR DIOXIDE OR FERROUS (SUPP
DATA)

Disclaimer (provided with this information by the compiling agencies):
This information is formulated for use by elements of the Department
of Defense. The United States of America in no manner whatsoever,
expressly or implied, warrants this information to be accurate and
disclaims all liability for its use. Any person utilizing this
document should seek competent professional advice to verify and
assume responsibility for the suitability of this information to their
particular situation.