Product ID:D5-PYRIDINE 2 MG/ML 1 ML, 48714
MSDS Date:04/04/1988
FSC:6810
NIIN:00N019187
MSDS Number: BLCSG

SUPELCO INC

SUPELCO PARK
BELLEFONTE, PA 16823-0048
US

Emergency Phone: 814-359-3441

Info Phone: 814-359-3441

Cage: 54968

SIGMA-ALDRICH INC.

14508 ST. LOUIS, MO 63103 US

Telephone: 314-771-5765/414-273-3850X5996

Cage: 54968

PYRIDINE-55

CAS: 7291-22-7

Fraction By Weight: 0.2%

OSHA PEL 5 PPM

ACGIH TLV: 5 PPM

METHYLENE CHLORIDE (SARA III)

CAS: 75-09-2

RTECS: PA8050000

Fraction By Weight: 99.8%

OSHA PEL 500 PPM/C,1000; Z2

ACGIH TLV: 50 PPM, A2; 9192

EPA Report Quantity: 1000 LBS

DOT Report Quantity: 1000 LBS

OVEREXP. INCREASED SENSITIVITY OF THE HEART

RTECS: 9999999ZZ

ADRENOMIMETICS (E.G., EPINEPHRINE) MAY BE

RTECS: 9999999ZZ

ACUTELY OR CHRONICALLY EXPOSED TO CHLOROCARBONS OR

RTECS: 9999999ZZ

LD50 LC50 Mixture:LD50:(ORAL,RAT) 2524 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:YES IARC:YES OSHA:NO
Health Hazards Acute and Chronic:MAY BE FATAL IF INHALED. HARMFUL IF
SWALLOWED. EYE IRRIT/TEARING. IRRITATES SKIN, DERMATITIS, HEADACHE,
DIZZ, NARCOSIS, LIVER DAMAGE, KIDNEY DAMAGE. SEVERAL CHRONIC INHAL
STUDIES RPTD BY NIOSH REVEALE D THAT TEST ANIMALS EXPOSED TO
METHYLENE CHLORIDE CONC AS HIGH AS 10,000 PPM SHOWED SLIGHT LIVER &
(SEE EFTS OF OVEREXP)
Explanation of Carcinogenicity:METHYLENE CHLORIDE - CLASS 2 (NTP);
CLASS 2B (IARC).
Effects of Overexposure:HLTH HAZ: KIDNEY CHANGES. METHYLENE CHLORIDE
HAS BEEN SHOWN TO INCREASE THE RATE OF SPONTANEOUSLY OCCURING
MALIGNANT TUMORS IN ONE STRAIN OF LABORATORY MICE & BENIGN TUMORS
IN LAB RATS. IN RATS METHYL ENE CHLORIDE HAS BEEN SHOWN TO PRODUCE
A STATISTICALLY SIGNIFICANT INCREASE IN SALIVARY GLAND TUMORS. (SEE
SUPP DATA)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:EYES:FLUSH W/WATER FOR AT LEAST 15 MIN. SKIN:PROMPTLY WASH
W/MILD SOAP & LRG AMTS OF WATER. REMOVE CONTAM CLTHG. INHAL:IMMED
MOVE TO FRESH AIR. GIVE OXYGEN IF BRTHG IS LABORED. IF BRTHG STOPS,
GIVE AR TF RESP. CONT MD. INGEST:NEVER GIVE ANYTHING BY MOUTH TO
UNCONS PERSON. NEVER TRY TO MAKE UNCONS PERSON VOMIT. DO NOT INDUCE
VOMIT. IMMED CONT MD. NEVER ADMIN ADRENALIN FOLLOWING CH2CL2 (SEE
ING 3)

Lower Limits:12.0%
Upper Limits:19.0%
Extinguishing Media:WATER, CO2, DRY CHEMICAL.
Fire Fighting Procedures:WEAR NIOSH/MSHA APPROVED PRESSURE DEMAND SCBA
& FULL PROTECTIVE EQUIPMENT .
Unusual Fire/Explosion Hazard:THE FOLLOWING TOXIC VAPORS ARE FORMED
WHEN THIS MATERIAL IS HEATED TO DECOMPOSITION: HYDROGEN CHLORIDE &
PHOSGENE.

Spill Release Procedures:TAKE UP WITH ABSORBENT MATERIAL. VENTILATE
AREA.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:REFRIGERATE IN SEALED CONTAINER.
METHYLENE CHLORIDE VAPORS ARE HEAVIER THAN AIR AND WILL COLLECT IN
LOW AREAS.
Other Precautions:POSSIBLE CANCER HAZ. AVOID EYE/SKIN CONT. AVOID BRTHG
VAPS. NO SMOKING IN AREA OF USE. DO NOT USE IN GEN VICINITY OF ARC
WELDING, OPEN FLAMES/HOT SURF. HEAT AND/OR UV RADIATION MAY CAUSE
THE FORMATION OF HCL AND/OR PHOSGENE .

Respiratory Protection:WEAR FACE MASK WITH NIOSH/MSHA APPROVED ORGANIC
VAPOR CANISTER.
Ventilation:USE ONLY IN WELL VENTILATED AREA.
Protective Gloves:WEAR NEOPRENE GLOVES.
Eye Protection:CHEMICAL WORKERS GOGGLES .
Other Protective Equipment:NOT APPLICABLE.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
EFTS OF OVEREXP: RESEARCH HAS RECENTLY SHOWN THAT CH2CL2 IS METABOLIZED
BY THE BODY TO CO & CAN STRESS THE CARDIOVASCULAR SYSTEM THRU
ELEVATION OF THE LEVEL OF CARBOXYHEMOGLOBIN. CHLOROCARBON MATLS HA
VE PRODUCED SENSIT OF MYOCARCIUM TO EPINEPHRINE IN LAB ANIMALS &
COULD HAVE A SIMILAR EFT IN HUMANS. (SEE ING 4)

HCC:T4
Boiling Pt:B.P. Text:104F,40C
Melt/Freeze Pt:M.P/F.P Text:-143F,-97C
Vapor Pres:349
Vapor Density:2.93
Spec Gravity:1.320
Evaporation Rate & Reference:0.71 (ETHER = 1)
Solubility in Water:2
Appearance and Odor:CLEAR, COLORLESS LIQUID WITH ETHER-LIKE ODOR.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
STRONG BASES, OXIDIZING AGENTS.
Stability Condition to Avoid:LIQUID OXYGEN OR OTHER STRONG OXIDANTS MAY
FORM EXPLOSIVE MIXTURES WITH METHYLENE CHLORIDE.
Hazardous Decomposition Products:HYDROGEN CHLORIDE & PHOSGENE.

Waste Disposal Methods:COMPLY WITH ALL APPLICABLE FEDERAL, STATE OR
LOCAL REGULATIONS.

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particular situation.