MSDS: Dihydrogen Monoxide

Dihydrogen monoxide (also known as hydric acid) is responsible for injury, death, and property damage all over the world. Visit the Dihydrogen Monoxide Research Division online at www.dhmo.org, or send email to for more information.
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MATERIAL SAFETY DATA SHEET FOR   DIHYDROGEN MONOXIDE
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PRODUCT NAME:     DIHYDROGEN MONOXIDE
FORMULA WT:          18.00
CAS NO.:          07732-18-5
NIOSH/RTECS NO.:  ZC0110000
COMMON SYNONYMS:  DIHYDROGEN OXIDE, HYDRIC ACID
PRODUCT CODES:    4218,4219
  EFFECTIVE: 05/30/86     
  REVISION #01   

LABORATORY PROTECTIVE EQUIPMENT

SAFETY GLASSES; LAB COAT

PRECAUTIONARY LABEL STATEMENTS

STORAGE:  KEEP IN TIGHTLY CLOSED CONTAINER.

BOILING POINT:      100 C (   212 F)          VAPOR PRESSURE(MM HG): 17.5

MELTING POINT:        0 C (    32 F)          VAPOR DENSITY(AIR=1):  N/A

SPECIFIC GRAVITY:  1.00                       EVAPORATION RATE:      N/A

SOLUBILITY(H2O):     COMPLETE (IN ALL PROPORTIONS) % VOLATILES BY VOLUME: 100

APPEARANCE & ODOR:  ODORLESS, CLEAR COLORLESS LIQUID.

TOXICITY:   LD50 (IPR-MOUSE)(G/KG)          -  190
            LD50 (IV-MOUSE) (MG/KG)         -  25

DISPOSAL PROCEDURE
  DISPOSE IN ACCORDANCE WITH ALL APPLICABLE FEDERAL, STATE, AND LOCAL
  ENVIRONMENTAL REGULATIONS.

SAF-T-DATA(TM) STORAGE COLOR CODE:     ORANGE (GENERAL STORAGE)

SPECIAL PRECAUTIONS
  KEEP CONTAINER TIGHTLY CLOSED. SUITABLE FOR ANY GENERAL CHEMICAL STORAGE
  AREA. DIHYDROGEN MONOXIDE IS CONSIDERED A NON-REGULATED PRODUCT, BUT
  REACTS VIGOROUSLY WITH SOME MATERIALS. THESE INCLUDE SODIUM, POTASSIUM
  AND OTHER ALKALI METALS; ELEMENTAL FLUORINE; AND STRONG DEHYDRATING AGENTS
  SUCH AS SULFURIC ACID. IT FORMS EXPLOSIVE GASES WITH CALCIUM CARBIDE.
  AVOID CONTACT WITH ALL MATERIALS UNTIL INVESTIGATION SHOWS SUBSTANCE IS 
  COMPATIBLE. EXPANDS SIGNIFICANTLY UPON FREEZING. DO NOT STORE IN RIGID
  CONTAINER AND PROTECT FROM FREEZING.

DOMESTIC (D.O.T.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)

INTERNATIONAL (I.M.O.)

PROPER SHIPPING NAME     CHEMICALS, N.O.S. (NON-REGULATED)

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