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Drilling >> Drilling Ahead >> Material Safety Data Sheet (MSDS)


This Material Safety Data Sheet (MSDS) contains information on the use and procedures for handling Caustic Soda. There are data sheets on all the hazardous chemicals used in the drilling industry. Data sheets must be supplied by the manufacturer and/or supplier each time the chemical is introduced into the workplace. See Subpart Z, Toxic and Hazardous Substances, Hazard Communication: [29 CFR 1910.1200].

MATERIAL SAFETY DATA SHEET

CAUSTIC SODA (NaOH)

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION
TRADE NAME: CAUSTIC SODA (NaOH)
UN/NA (PIN) No.: 1823
CHEMICAL CLASS: Bases, alkalies (inorganic).
APPLICATIONS: Oil well drilling fluid additive. pH modifier.
EMERGENCY TELEPHONE: 281-561-1600
SUPPLIER: Supplied by a Business Unit of M-I L.L.C.
P.O. Box 42842, Houston, Texas 77242-2842
See cover sheet for local supplier.
TELEPHONE:
281-561-1509
FAX:
281-561-7240
CONTACT PERSON:
Sam Hoskin
2. COMPOSITION, INFORMATION ON INGREDIENTS
INGREDIENT NAME:    CAS No.:      CONTENTS :      EPA RQ:     TPQ:

Sodium hydroxide       1310-73-2         100 %             1 000 lbs
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW:
DANGER! CAUSES EYE AND SKIN BURNS. Do not get in eyes or on skin or clothing. Avoid breathing airborne product. Keep container closed. Use only with adequate ventilation. Wash thoroughly after handling. Avoid contact with water or moisture, which may generate sufficient heat to ignite combustible materials. This product is a white pellet or flake material. Slippery when wet.
ACUTE EFFECTS:

HEALTH HAZARDS, GENERAL:
Contact with this product is severely irritating to the eyes, skin, and respiratory tract and may cause severe eye injury.
INHALATION: Severely irritating to the respiratory tract if inhaled.
INGESTION:
May cause burns in mucous membranes, throat, esophagus, and stomach.
SKIN:
Corrosive to skin.
EYES:
Corrosive to eyes.
CHRONIC EFFECTS:

CARCINOGENICITY:
IARC: Not listed. OSHA: Not regulated. NTP: Not listed.
10296 - CAUSTIC SODA (NaOH)
ROUTE OF ENTRY:
Inhalation. Skin and/or eye contact.
TARGET ORGANS:
Respiratory system, lungs. Skin. Eyes.
4. FIRST AID MEASURES
GENERAL: Persons seeking medical attention should carry a copy of this MSDS with them.
INHALATION:
Move the exposed person to fresh air at once. Perform artificial respiration if breathing has stopped. Get medical attention.
INGESTION:
Drink a couple of glasses water or milk. Do NOT induce vomiting unless directed to do so by a physician. Never give anything by mouth to an unconscious person. Get medical attention.
SKIN:
Wash skin thoroughly with soap and water. Remove contaminated clothing. Get medical attention if any discomfort continues.
EYES:
Promptly wash eyes with lots of water while lifting the eye lids. Continue to rinse for at least 15 minutes. Get medical attention if any discomfort continues.
5. FIRE FIGHTING MEASURES
AUTO IGNITION TEMP. (°F): N/D
FLAMMABILITY LIMIT - LOWER(%):
N/D
FLAMMABILITY LIMIT - UPPER(%):
N/D
EXTINGUISHING MEDIA:
Carbon dioxide (CO2). Dry chemicals. Foam.
SPECIAL FIRE FIGHTING PROCEDURES:
No specific fire fighting procedure given.
UNUSUAL FIRE AND EXPLOSION HAZARDS:
Upon contact with certain metals and water or moist air, hydrogen gas is generated, forming explosive mixtures with air.
HAZARDOUS COMBUSTION PRODUCTS:
Irritating gases/vapors/fumes.
6. ACCIDENTAL RELEASE MEASURES
PERSONAL PRECAUTIONS:
Wear proper personal protective equipment (see MSDS Section 8).
SPILL CLEAN-UP PROCEDURES:
Avoid generating and spreading of dust. Shovel into dry containers. Cover and move the containers. Flush the area with water. Do not contaminate drainage or waterways. Repackage or recycle if possible.
7. HANDLING AND STORAGE
HANDLING PRECAUTIONS:
Avoid handling that causes dust to generate. Wear full protective clothing for prolonged exposure and/or high concentrations. Make eye wash and emergency shower available at the work place. Wash hands often and change clothing when needed. Provide good ventilation. Provide mechanical ventilation or local exhaust ventilation.
STORAGE PRECAUTIONS:
Store at moderate temperatures in dry, well ventilated area. Keep in original container.
8. EXPOSURE CONTROLS, PERSONAL PROTECTION

    OSHA PEL: ACGIH TLV: OTHER:  
INGREDIENT NAME: CAS No.: TWA:      STEL: TWA:      STEL: TWA:  STEL: UNITS:
Sodium hydroxide 1310-73-2 2 2 C*   mg/m3
*C = Ceiling Limit
PROTECTIVE EQUIPMENT:
ENGINEERING CONTROLS:
Use appropriate engineering controls such as exhaust ventilation and process enclosure to reduce air contamination and keep worker exposure below the applicable limits.
VENTILATION:
Supply natural or mechanical ventilation adequate to exhaust airborne product and keep exposures below the applicable limits.
RESPIRATORS:
Use at least a NIOSH-approved N95 half-mask disposable or reuseable particulate respirator. In work environments containing oil mist/aerosol, use at least a NIOSH-approved P95 half-mask disposable or reuseable particulate respirator.
PROTECTIVE GLOVES:
Use gauntlet type rubber gloves.
EYE PROTECTION:
Use tight-fitting goggles if dust is generated. Wear splash-proof eye goggles to prevent any possibility of eye contact.
PROTECTIVE CLOTHING:
Wear appropriate clothing to prevent any possibility of skin contact. Provide eyewash station and safety shower.
HYGIENIC WORK PRACTICES:
Wash promptly with soap and water if skin becomes contaminated. Change work clothing daily if there is any possibility of contamination.
9. PHYSICAL AND CHEMICAL PROPERTIES
APPEARANCE/PHYSICAL STATE: Pellets or flakes.
COLOR:
White.
ODOR:
Odorless or no characteristic odor.
SOLUBILITY DESCRIPTION:
Soluble in water.
BOILING POINT (°F, interval):
2530 PRESSURE: 760mmHg
MELT./FREEZ. POINT (°F, interval):
604
DENSITY/SPECIFIC GRAVITY (g/ml):
2.13 TEMPERATURE (°F): 68
BULK DENSITY:
133 lb/cu. ft.; 2131 kg/m3
VAPOR DENSITY (air=1):
N/A
VAPOR PRESSURE:
42 mmHg TEMPERATURE (°F): 1832
pH-VALUE, DILUTED SOLUTION:
13 CONCENTRATION (%,M): 1%
10. STABILITY AND REACTIVITY
STABILITY: Normally stable.
CONDITIONS TO AVOID:
Reacts strongly with water. Avoid contact with acids.
HAZARDOUS POLYMERIZATION:
Will not polymerize.
POLYMERIZATION DESCRIPTION:
Not relevant.
MATERIALS TO AVOID:
Organochlorine solvents, nitro and nitroso compounds, organic peroxides; aluminum, zinc, tin and their alloys.
HAZARDOUS DECOMPOSITION PRODUCTS:
No specific hazardous decomposition products noted.
11. TOXICOLOGICAL INFORMATION
Component: Sodium hydroxide

TOXICOLOGICAL DATA:
24 hours. Eye. Rabbit. 1 mg Severe Irritation Corrosive effects.
24 hours. Skin. Rabbit. 500 mg Severe Irritation Corrosive effects.
LDLo. Oral. Rabbit. 500 mg/kg Acute toxicity.
TOXIC DOSE - LD 50: 1350 mg/kg (skn-rbt)
12. ECOLOGICAL INFORMATION
LC 50, 96 HRS, FISH, mg/l: 125 (Mosquitofish)

EC 50, 48 HRS, DAPHNIA, mg/l: 100

ACUTE AQUATIC TOXICITY:
This product passes the mysid shrimp toxicity test required by the U.S. Environmental Protection Agency (EPA) Region VI (Gulf of Mexico) NPDES Permit, which regulates offshore discharge of drilling fluids, when tested in a standard drilling fluid. Contact M-I's Environmental Affairs Department for more information.
This product is approved for use under the U.S. Environmental Protection Agency (EPA) Region IX (California) General NPDES Permit which regulates offshore discharges of drilling fluids. Contact M-I's Environmental Affairs Department for more information.
13. DISPOSAL CONSIDERATIONS
WASTE MANAGEMENT:
This product, should it become a waste, is hazardous by U.S. RCRA criteria.
THIS CONTAINER MAY BE HAZARDOUS WHEN EMPTY. Empty containers retain residues. All labeled precautions must be observed.
DISPOSAL METHODS:
Recover and reclaim or recycle, if practical. Should this product become a waste, dispose of in a permitted industrial landfill. Ensure that containers are empty by RCRA criteria before disposal in a permitted industrial landfill.
14. TRANSPORT INFORMATION
LABEL FOR CONVEYANCE:
PROPER SHIPPING DESCRIPTION II:
Sodium hydroxide, solid, 8, UN1823, PG II
GENERAL:
RQ = 1000
EMERGENCY RESPONSE GUIDE No.:
154

U.S. DOT:
UN/NA No.: 1823
U.S. DOT HAZARD LABEL:
CORROSIVE (Black/white diam.) DOT17
U.S. DOT CLASS:
Class 8 - Corrosive Material
U.S. DOT PACKING GROUP:
II
U.S. DOT PACKAGING INSTRUCTIONS:
49 CFR 173.154; 173.212; 240
CANADIAN TRANSPORT:
TDGR CLASS: Class 8 - Corrosives
TDGR LABEL:
Corrosive
SEA TRANSPORT:
UN No. SEA: 1823
IMDG CLASS:
Class 8 - Corrosives
IMDG PAGE No.:
8225-1
IMDG PACK GR.:
II
EmS No.:
8-06
MFAG TABLE No.:
705
AIR TRANSPORT:
UN No., AIR: 1823
ICAO CLASS:
Class 8 - Corrosives
AIR PACK GR.:
II
15. REGULATORY INFORMATION

REGULATORY STATUS OF INGREDIENTS: CAS  No: TSCA: CERCLA: SARA 302: SARA 313: DSL(CAN):
NAME:
Sodium hydroxide
1310-73-2 Yes Yes No No Yes

US FEDERAL REGULATIONS:
WASTE CLASSIFICATION: A hazardous waste by U.S. RCRA criteria

REGULATORY STATUS: This product or its components, if a mixture, is subject to following regulations (Not meant to be all-inclusive, selected regulations represented):

SECTION 313: This product does not contain toxic chemical subject to the reporting requirements of Section 313 of Title III of the Superfund Amendment and Reauthorization Act of 1986 and 40 CFR Part 372.

SARA 311 Categories:
1: Immediate (Acute) Health Effects

5. Reactivity Hazard
The components of this product are listed on or are exempt from the following international chemical registries:

TSCA (U.S.)

DSL (Canada)
STATE REGULATIONS:

STATE REGULATORY STATUS:
This product or its components, if a mixture, is subject to following regulations (Not meant to be all-inclusive, selected regulations represented):
Illinois Right-to-Know
New Jersey Right-to-Know
Pennsylvania Right-to-Know
PROPOSITION 65: This product does not contain chemicals considered by the State of California's Safe Drinking Water and Toxic Enforcement Act of 1986 as causing cancer or reproductive toxicity, and for which warnings are now required.
CANADIAN REGULATIONS:

LABELS FOR SUPPLY:

REGULATORY STATUS:
This Material Safety Data Sheet has been prepared in compilance with the Controlled Product Regulations.
Canadian WHMIS Classification: E - Corrosive Material D2B - Other Toxic Effects: Toxic Material
16. OTHER INFORMATION
NPCA HMIS HAZARD INDEX: 3 Serious Hazard

FLAMMABILITY: 0 Minimal Hazard

REACTIVITY: 1 Slight Hazard

NPCA HMIS PERS. PROTECT. INDEX: X Ask your supervisor for guidance

USER NOTES: N/A = Not applicable N/D = Not determined

INFORMATION SOURCES:
OSHA Permissible Exposure Limits, 29 CFR 1910, Subpart Z, Section 29 CFR 1910.1000, Air Contaminants.
ACGIH Threshold Limit Values and Biological Exposure Indices for Chemical Substances and Physical Agents (latest edition). Sax's Dangerous Properties of Industrial Materials, 9th ed., Lewis, R.J. Sr., (ed.), VNR, New York, New York, (1997).
Product information provided by the commercial vendor(s).
PREPARED BY: Sam Hoskin

REVISION No./Repl. MSDS of: 1 / June 3, 1996

MSDS STATUS: Approved.

DATE: June 9, 1998
DISCLAIMER:

MSDS furnished independent of product sale. While every effort has been made to accurately describe this product, some of the data are obtained from sources beyond our direct supervision. We cannot make any assertions as to its reliability or completeness; therefore, user may rely on it only at user's risk. We have made no effort to censor or conceal deleterious aspects of this product. Since we cannot anticipate or control the conditions under which this information and product may be used, we make no guarantee that the precautions we have suggested will be adequate for all individuals and/or situations. It is the obligation of each user of this product to comply with the requirements of all applicable laws regarding use and disposal of this product. Additional information will be furnished upon request to assist the user; however, no warranty, either expressed or implied, nor liability of any nature with respect to this product or to the data herein is made or incurred hereunder.


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