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Sodium Hydride (NaH)

     MATERIAL SAFETY DATA SHEET                                                                               

 Section 1 – Chemical Product and Company Identification:

Product Name SODIUM HYDRIDE dispersed in 35% to 65 % mineral oil
Company Identification            


For information, call +91 9948047535
Emergency Number +91 9849645406
For CHEMTREC assistance, call +91 40-29809095
For International CHEMTREC assistance, call           +91 9849645406

 Section 2 – Composition, Information on Ingredients:

CAS NO Chemical Name Percent EINECS / ELINCS NO
7646-69-7 Sodium Hydride 60 - 65 231-587-3 
8042-47-5  Mineral Oil  40 - 35 232-455-8 

Hazard Symbols: F

Section 3 – Emergency Overview:

Appearance Grey tacky powder. Reacts with water. The toxicological properties of this material have not been fully investigated. 
Target Organs None known

 Potential Health Effects:

Eye May cause eye irritation and possible burns
Skin May cause severe skin irritation with possible burns, especially if skin is wet or moist
Ingestion The toxicological properties of this substance have not been fully investigated. May cause burns to the digestive tract
Inhalation The toxicological properties of this substance have not been fully investigated. May cause severe respiratory tract irritation. 
Chronic Not available

   Section 4 – First Aid Measures: 

Eyes Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower lids. Get medical aid immediately.
Skin Flush skin with plenty of soap and water for atleast 15 minutes while removing contaminated clothing and shoes. Get medical aid immediately.
Ingestion Wash mouth out with water. Get medical aid immediately.
Inhalation Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid immediately.

    Section 5 – Fire Fighting Measures:

General Information As in any fire, wear a self-contained breathing apparatus in pressure-demand MSHA/NIOSH (approved or equivalent), and full protective gear. Sodium Hydride will react with water and may release a flammable and/or toxic gas
Extinguishing Media Use dry sand or earth to smother fire.  Do NOT use carbon dioxide.  DO NOT USE WATER OR FOAM
Auto-ignition Temperature Not available
Flash Point Not available 
NFPA Rating Not published. Explosion Limits, Lower & Upper:-Not available

  Section 6 – Accidental Release Measures:

General Information/Spills / Leaks Use proper personal protective equipment as indicated in Section 8. Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Provide ventilation.

  Section 7 – Handling and Storage:

Handling Avoid breathing dust, vapour, mist, or gas. Avoid contact with skin and eyes. Do not allow contact with water. Use only in a chemical fume hood
Storage Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Water free area

  Section 8 – Exposure Controls, Personal Protection:

Engineering Controls Use adequate ventilation to keep airborne concentrations low

Exposure Limits:

Chemical Name ACGIH NIOSH OSHA-Final PELs
Sodium Hydride None listed None Listed None Listed
Mineral Oil  None listed None Listed None Listed


OSHA Vacated PELs Sodium Hydride:  No OSHA Vacated PELs are listed for this chemical.  Mineral Oil:No OSHA Vacated PELs are listed for this chemical


Personal Protective Equipment


Eyes Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face regulations in 29 CFR 1910.133
Skin Wear appropriate protective hand gloves and clothing to prevent skin exposure
Respirators Follow the OSHA respirator regulations found in 29CFR 1910.134. Always use a NIOSH-approved respirator when necessary

Section 9 – Physical and Chemical Properties:

Physical State Crystals dispersed in mineral oil
Appearance grey/white
Odor Practically odourless
PH Not available
Vapor Pressure Not available
Vapor Density Not available
Evaporation Rate Not available
Viscosity Not available
Boiling Point Not available 
Freezing / Melting Point 800 deg C
Decomposition Temperature  >225oC
Specific Gravity / Density 1.2g/cm3
Molecular Formula NaH
Molecular Weight 24

 Section 10 – Stability and Reactivity:

Chemical Stability Not available
Conditions to Avoid

Incompatible materials: exposure to air, contact with water,

                                   temperatures above 220oC.

Incompatibilities with Other Materials:-Acids - alcohols -

                                   carbondioxide - hydrogen halides.

Hazardous Decomposition Products:-Carbon monoxide,

                                     carbon dioxide, hydrogen gas.

Hazardous Polymerization: - Has not been reported

 Section 11 – Toxicological Information:

RTECS# CAS# 7646-69-7: WB3910000 CAS# 8042-47-5: PY8047000
LD50/LC50 Not available
Carcinogenicity SODIUM HYDRIDE: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA. MINERAL OIL: Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA

Section 12 – Ecological Information:

Ecotoxicity Not available 
Environmental Fate Not available
Physical/Chemical Not available
Other Not available

Section 13 – Disposal Considerations:

Dispose of in a manner consistent with federal, state, and local regulations
RCRA D-Series Maximum Concentration of Contaminants: Not listed
RCRA D-Series Chronic Toxicity Reference Levels: Not listed
RCRA F-Series Not listed
RCRA P-Series Not listed
RCRA U-Series  Not listed 
Not listed as a material banned from land disposal according to RCRA

Section 14 – Transport Information:

  Shipping Name Hazard Class UN Number Packaging Group
Canada TDG  SODIUM HYDRIDE 4.3  UN3131 I

 Section 15 – Regulatory Information:

US Federal

TSCA CAS# 7646-69-7 & CAS# 8042-47-5 listed on the TSCA inventory
Health & Safety Reporting List None of the chemicals are on this List
Chemical Test Rules None of the chemicals in this product are under this Rule
Section 12b None of the chemicals are listed under TSCA Section 12b
TSCA Significant New Use Rule None of the chemicals in this material have a SNUR
SARA Section 302 (RQ), None of the chemicals in this material have an RQ
Section 302 (TPQ) None of the chemicals in this product have a TPQ
Section 313 No chemicals are reportable under Section 313
Clean Air Act This material does not contain any hazardous air pollutants or Class 1 Ozone depletors or Class 2 Ozone depletors
Clean Water Act None of the chemicals in this product are listed as Hazardous Substances, Priority Pollutants or toxic Pollutants under the CWA
OSHA None of the chemicals in this product are considered highly hazardous by OSHA
European Labeling in Accordance with EC Directives

Hazard Symbols: F,

Risk Phrases R 15 Contact with water liberates extremely flammable gases
Safety Phrases S 7/8 Keep container tightly closed and dry. S 24/25 Avoid contact with skin and eyes.  S 43H In case of fire, use dry chemical, soda ash, lime or sand. (Do not use water or foam). 
WGK (Water Danger/Protection) CAS# 7646-69-7: 1

Section 16 – Other Information:

MSDS Creation Date 23/06/2007
Revision # 3 Date 02/07/2013



The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantibility or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no event shall Natrizen Chemicals pvt ltd or its partners be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential, or exemplary damages howsoever arising, even if the company has been advised of the possibility of such damages. For questions please contact