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MSDS  : METHYL SULFOXIDE, 99.9%, HPLC GRADE
CAS  : 67-68-5
NAME  : methyl sulfoxide
===================== Product Identification =====================

MSDS NAME:METHYL SULFOXIDE, 99.9%, HPLC GRADE
NIIN:00F007343
MSDS Number: BBXTJ
=== Responsible Party ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 W ST PAUL AVE
Box:2060
City:MILWAUKEE
State:WI
ZIP:53201
Country:US
Info Phone Num:414 273-3850
Emergency Phone Num:414 273-3850
CAGE:60928
=== Contractor Identification ===
Company:ALDRICH CHEMICAL CO INC
Address:1001 WEST ST PAUL AVE
Box:355
City:MILWAUKEE
State:WI
ZIP:53233
Country:US
Phone:414-273-3850
CAGE:60928

============= Composition/Information on Ingredients =============

Name:METHYL SULFOXIDE
CAS:67-68-5
RTECS #:PV6210000
Fraction by Wt: 99.9%

===================== Hazards Identification =====================

LD50 LC50 Mixture:ORAL LD50 (RAT): 14500 MG/KG
Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INGESTION: HARMFUL. INHALATION:
HARMFUL, MUCOUS MEMBRANES/UPPER RESPIRATORY TRACT IRRITATION &
ALLERGIC RESPIRATORY REACTION: SKIN: HARMFUL ABSORPTION,
IRRITATION, REACTION & SENSITIZATION. EYES: IRRI TATION.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INGESTION: HARMFUL. INHALATION: HARMFUL, MUCOUS
MEMBRANES/UPPER RESPIRATORY TRACT IRRITATION & ALLERGIC
RESPIRATORY. SKIN: HARMFUL, ABSORPTION, IRRITATION, REACTIONS &
SENSITIZATION. EYES: IRRITATION.

======================= First Aid Measures =======================

First Aid:EYES/SKIN: FLUSH W/PLENTY OF WATER FOR AT LEAST 15 MINS.
INHALATION: REMOVE TO FRESH AIR. IF NOT BREATHING GIVE ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, GIVE OXYGEN. OBTAIN MEDICAL
ATTENTION IN ALL CASES.

===================== Fire Fighting Measures =====================

Flash Point:203F
Lower Limits:3.5%
Upper Limits:42%
Extinguishing Media:WATER SPRAY, CO2, DRY CHEMICAL POWDER, ALCOHOL OR
POLYMER FOAM.
Fire Fighting Procedures:WEAR SELF-CONTAINED BREATHING APPARATUS &
PROTECTIVE CLOTHING.
Unusual Fire/Explosion Hazard:FORMS EXPLOSIVE MIXTURES IN AIR. EMITS
TOXIC FUMES UNDER FIRE CONDITIONS. AUTO IGNITION TEMP: 573F.

================== Accidental Release Measures ==================

Spill Release Procedures:WEAR PROTECTIVE EQUIP. ABSORB ON SAND OR
VERMICULITE & PLACE IN CLOSED CONTAINERS FOR DISPOSAL. VENTILATE
AREA & WASH SITE AFTER MATERIAL PICKUP IS COMPLETE.

====================== Handling and Storage ======================

Handling and Storage Precautions:KEEP TIGHTLY CLOSED. HYGROSCOPIC.
STORE UNDER NITROGEN & IN A COOL, DRY PLACE. AVOID CONTACT
W/SKIN/CLOTHING & BREATHING VAPORS.
Other Precautions:METHYL SULFOXIDE UNDERGOES A VIOLENT EXOTHERMIC
REACTION ON MIXING W/COPPER WOOL & TRICHLOROACETIC ACID. ON MIXING
W/POTASSIUM PERMANGANATE IT WILL FLASH INSTANTANEOUSLY.

============= Exposure Controls/Personal Protection =============

Ventilation:CHEMICAL FUME HOOD
Protective Gloves:RECOMMENDED
Eye Protection:CHEMICAL SAFETY GOGGLES
Other Protective Equipment:SAFETY SHOWER, EYE BATH, PROTECTIVE
CLOTHING, & MASK.
Work Hygienic Practices:REMOVE/LAUNDER CONTAMINATED CLOTHING/SHOES
BEFORE REUSE. WASH THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health
IT REACTS VIOLENTLY W/ACID HALIDES/CYANURIC CHLORIDE/SILICON
TETRACHLORIDE/PHOSPHORUS TRICHLORIDE/TRIOXIDE/THIONYL
CHLORIDE/MAGNESIUM PERCHLORATE/SILVER FLUORIDE/METHYL
BROMIDE/IODINE PENTAFLUORIDE/NI TROGEN PERIODATE/DIBORANE/SODIUM
HYDRIDE/PERCHLORIC/PERIODIC ACIDS. IF >372F DEGRADES GIVING OFF
FORMALDEHYDE.

================== Physical/Chemical Properties ==================

Boiling Pt:B.P. Text:372.2 F
Melt/Freeze Pt:M.P/F.P Text:65F
Vapor Pres:0.42
Vapor Density:2.7
Spec Gravity:1.101

================= Stability and Reactivity Data =================

Stability Indicator/Materials to Avoid:YES
ACID CHLORIDES, PHOSPHORUS HALIDES, STRONG ACIDS, OXIDIZING AGENTS &
REDUCING AGENTS.
Hazardous Decomposition Products:TOXIC FUMES OF CO, CO2 & SULFUR OXIDES

==================== Disposal Considerations ====================

Waste Disposal Methods:DISSOLVE OR MIX THE MATERIAL W/A COMBUSTIBLE
SOLVENT & BURN IN A CHEMICAL INCINERATOR EQUIPPED W/AN AFTERBURNER
& SCRUBBER. OBSERVE ALL FEDERAL, STATE & LOCAL LAWS.

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.

*** END OF RECORD ***
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NAMECAS
AC MOTOR START CAPACITOR 107-21-1
CAPACITOR 3120/3188/3191 SERIES, 76-250 VD 107-21-1
BUFFER SOLUTIONS PH 9.0 TO 11.0 7647-14-5
1303-96-4
7447-40-7
6000-44-8
7732-18-5
BUFFER SOLUTION, PH 10.0 BLUE SO-B-115 7647-14-5
1303-96-4
7447-40-7
6000-44-8
BUFFER SOLUTION, PH 10.0 SO-B-116 7647-14-5
1303-96-4
7447-40-7
6000-44-8
BUFFER SOLUTION, PH 11.0 CONC SO-B-142 7647-14-5
1303-96-4
7447-40-7
6000-44-8
FABLOY 1CM, 2CM, 2N, 3N, T, AWS A5.28 7440-47-3
13463-67-7
7440-50-8
FABTUF 250, 960; PS 588 7440-47-3
13463-67-7
7440-50-8
WEARCOR BU-1, HS-1 7440-47-3
13463-67-7
7440-50-8
CORLOY 1CRMO, 2CRMO, T-1, AWS A5.28 7440-50-8
7440-47-3
13463-67-7
MERCURY RELAYS 159-169, 260-266, 628 7439-97-6
BLOW OFF #2156-2156C 75-71-8
AWS A5.20 FCAW SHIELDCOR 8/4/11/GS 1309-48-4
7789-75-5
7787-32-8
7429-90-5
7440-02-0
AWS A5.29 FCAW FABSHIELD 3NI1 1309-48-4
7789-75-5
7787-32-8
7429-90-5
7440-02-0
AWS A5.28 LOW ALLOY GMAW HB-18 7439-95-4
7440-21-3
7440-50-8
7439-98-7
AWS A5.25 EM13K-EW ELECTROSLAG 25P 7440-50-8
7439-98-7
7439-95-4
7440-21-3
PARABLOX WEATHER PROOF PARAFINIZED RAT BAI 82-66-6
5-SULFOSALICYLIC ACID 97-05-2
P1526 O-PHENYLENEDIAMINE DIHYDROCHLORIDE 615-28-1
E9129 ETHYLENE GLYCOL 107-21-1
84215 SALICYLIC ACID 69-72-7
D8779 DIMETHYL SULFOXIDE ACS REAGENT 67-68-5
G5877 GUANIDINE HYDROCHLORIDE 50-01-1
S1878 SODIUM-M-PERIODATE 7790-28-5
METHYL SULFOXIDE, 99.9%, HPLC GRADE 67-68-5
C-55 CALCIUM CARBONATE, WHITING
7212 SULFURIC ACID 1 NORMAL 7664-93-9
LEAD ACID SEALER 1317-36-8
7664-93-9
3120, 3186, 3188, 3191 SERIES >250 VDC 107-21-1
TANTALYTIC CAPACITORS 16K/29F, 40 SERIES 68-12-2
TANTALYTIC CAPACITORS KSR 43 SERIES, 0-75V 107-21-1
TANTALYTIC CAPACITORS KSR 43 SERIES 100V> 107-21-1
CAPACITORS 3120/3186/3188/3191 SERIES 0-75 107-21-1
CAPACITOR, 3186 SERIES 151-250 VDC 107-21-1
PHOTOCONDUCTOR DRUM FOR DC-313Z 7782-49-2
7440-38-2
NICKELCAST 55; S-NICKEL 55,99 AWS A5.15 7439-89-6
7439-95-4
7440-02-0
7440-50-8
13463-67-7
SO-S-266/270/272/274/276/277/278/282/283/2 1310-73-2
CAPACITOR 3186 SERIES 76-150 VDC 107-21-1
CAPACITOR, ADIPIC ACID 124-04-9
UNIWELD & PLASTI-WELD PVC CEMENT #2000 78-93-3
109-99-9
108-94-1
DFG MERCURY (SPECTROMERC) 7439-97-6
LOMA TYPE 201
THERMO-CHEM G88/G89/G95/G96 FIREWALL SHEET 12001-26-2
GREEN LACQUER TTL-20, #27133 108-88-3
1330-20-7
78-93-3
112-07-2
67-63-0
EPICARE LOTION SOAP
HYDROCHLORIC ACID, 1 NORMAL 7647-01-0
HYDROGEN 1333-74-0
HELIUM 7440-59-7
COMPRESSED GAS NOS(N.F.)
NR. 758 LEAD FREE PRIMER 1330-20-7
56-23-5
100-41-4
71-43-2

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