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MATERIAL SAFETY DATA SHEET FOR SODIUM HYDROXIDE

This Material Safety Data Sheet (MSDS) has been prepared in compliance with the Federal OSHA Hazard Communication Standard, 29 CFR 1910.1200. This product may be considered to be a hazardous chemical under that standard ( refer to the OSHA classification in Section I ). This information is required to be disclosed for safety in the workplace. The exposure to the community, if any, is quite different.

I. Product Identification

Product Name: Sodium Hydroxide, D3 Developer, DFS Dry Film Stripper
Synonyms: Caustic soda, caustic, alkali, caustic lye
Chemical Family: Alkali, base
Formula: NaOH ( active ingredient )
Use Description: Neutralizing agent, sodium source
OSHA Hazard Classification: Corrosive; eye and skin hazard; lung toxin

Component Data

Product Composition
CAS or Chemical Name: Sodium Hydroxide
CAS Number: 1310-73-2
Percentage Range: 1-20%
Hazardous Per 29 CFR 1910.1200: Yes
 
Exposure Standards
  OSHA (PEL) ppm OSHA (PEL) mg/cubic-meter ACGIH (TLV) ppm ACGIH (TLV) mg/cubic-meter
TWA: None None None None
Ceiling: None 2 None 2
STEL: None None None None
CAS or Chemical Name: Water
CAS Number: 7732-18-5
Percentage Range: 80-99%
Hazardous Per 29 CFR 1910.1200: No
Exposure Standards: None Established

Precautions For Safe Handling And Storage

Do not take internally. Avoid contact with skin, eyes, and clothing. Upon contact with skin or eyes, wash off with water.
Storage Conditions: Store in a cool, dry, well ventilated.
Do not store at temperatures above: 49 C ( 120 F ).

Product Stability and Compatibility

Shelf Life Limitations: 1 year
Incompatible Materials for Packaging: Aluminum, zinc, tin, wood, paper
Incompatible materials for storage or transport: Acids, nitrogen containing organics, phosphorous, explosives, organic peroxides, aluminum, zinc, tin

Physical Data

Appearance: Clear, viscous liquid
Freezing Point: -26 C to -4 C ( -14.8 F to 24 F )
Boiling Point: 102 - 110 C ( 215 - 230 F )
Decomposition Temperature: None
Specific Gravity: 1.1 - 1.22
Bulk Density: 1.1 - 1.22 gm/cc
pH @ 25 C: 13 ( 0.5% solution )
Vapor pressure @ 25 C: Approximately equal to water
Solubility in water: complete
Volatiles, percent by volume: 80-99%
Evaporation Rate: <1 ( water=1 )
Vapor Density: No data
Molecular Weight: 40.01 ( Active Agent )
Odor: None
Coefficient of Oil/Water Distribution: No data

Personal Protective Equipment Requirements

Personal Protection For Routine Use of Product

Respiratory Protection: If air concentrations above the TLV are possible, wear a NIOSH/MSHA approved respirator.
Ventilation: Use local exhaust ventilation to maintain levels to below the TLV
Skin and Eye Protective Equipment: Wear gloves, boots, apron and a face shield with safety glasses. A full impermeable suit is recommended if exposure is possible to large portion of body.
Other: Emergency eye wash station and safety shower should be provided in the immediate work area.

Equipment Specifications ( When Applicable )

Respirator Type: NIOSH/MSHA approved dust/mist filter respirator
Protective Clothing Type ( This includes: gloves, boots, apron, protective suit ) : Neoprene
Fire and Explosion Hazard Information
 

Flammability Data

Explosive: No
Flammable: No
Combustible: No
Pyrophoric: No
Flash Point: Not Applicable
Autoignition Temperature: Not flammable
Flammable Limits at Normal Atmospheric Temperature And Pressure ( % Volume In Air ):
LEL: Not Applicable
UEL: Not Applicable

NFPA Ratings

Health: 3
Flammability: 0
Reactivity: 1

HMIS Ratings

Health: 3
Flammability: 0
Reactivity: 1
 
Extinguishing Media: Not Applicable - Choose extinguishing media suitable for surrounding materials.
Fire Fighting Techniques and Comments: Use water to cool containers exposed to fire. See Section XI for protective equipment for fire fighting.

Reactivity Information

Conditions Under Which This Product May Be Unstable

Temperatures Above: None
Mechanical Shock or Impact: No
Electrical ( Static ) Discharge: No
Other: Contact with carbohydrates, aluminum, zinc, tin
Hazardous Polymerization: Will not occur
Incompatible Materials: Acids, nitrogen containing organics, explosives, carbohydrates, phosphorous, organic peroxides, halogen compounds
Hazardous Decomposition Products: None
Other Conditions to Avoid: Dilution with water except under controlled conditions. Very high heat of dilution will cause boiling and spattering.

Summary of Reactivity

Explosive: No
Oxidizer: No
Pyrophoric: No
Organic Peroxide: No
Corrosive: Yes

First Aid

Eyes: Immediately flush with large amounts of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Call a physician at once.
Skin: Immediately flush with water for at least 15 minutes. Call a physician. If clothing comes in contact with the product, the clothing should be removed immediately and should be laundered before re-use.
Ingestion: Immediately drink large quantities of water. DO NOT induce vomiting. Call a physician at once. DO NOT give anything by mouth if the person is unconscious or if having convulsions.
Inhalation: If person experiences nausea, headache or dizziness, person should stop work immediately and move to fresh air until these symptoms disappear. If breathing is difficult, administer oxygen, keep the person warm and at rest. Call a physician. In the event that an individual inhales enough product to lose consciousness, person should be moved to fresh air at once and a physician should be called immediately. If breathing has stopped, artificial respiration should be given immediately. In all cases, ensure adequate ventilation and provide respiratory protection before the person returns to work.

Toxicology and Health Information

Routes of Absorption: Dermal contact, eye contact, inhalation, ingestion
Warning Statements and Warning Properties: Harmful if inhaled. Harmful if exposed to skin or eyes. Harmful if swallowed. Corrosive to all tissues contacted.

Human Threshold Response Data

Odor Threshold: No Data
Irritation Threshold: No Data
Immediately Dangerous to Life or Health: The IDLH level for Sodium Hydroxide is 200 mg/cubic-meter

Signs, Symptoms, and Effects of Exposure

Inhalation:
Acute: Inhalation of this material is irritating to the nose, mouth, throat and respiratory tract. It may also cause burns to the respiratory tract which can result in symptoms which may include coughing, wheezing, choking, shortness of breath, chest pain and impairment of lung function. Inhalation of high concentrations can result in permanent lung damage.
Chronic: Chronic inhalation may cause impairment of lung function and permanent lung damage.
 
Skin
Acute: Dermal exposure can cause severe irritation and/or burns characterized by redness, swelling and scab formation. Prolonged skin exposure may cause permanent damage.
Chronic: Effects from chronic skin exposure would be similar to those from single exposure except for effects secondary to tissue destruction.
 
Eye
Severe irritation and/or burns can occur following exposure. Direct contact may cause impairment of vision and corneal damage.
 
Ingestion
Acute: Irritation and/or burns can occur to the entire gastrointestinal tract, including the stomach and intestines, characterized by nausea, vomiting, diarrhea, abdominal pain, bleeding and/or tissue ulceration. Ingestion causes severe damage to the gastrointestinal tract with the potential to cause perforation.
Chronic: There are no known or reported effects from chronic exposure. Chronic ingestion of significant amounts of this product is unlikely because of its acute corrosive action.

Medical Conditions Aggravated By Exposure: Asthma and other respiratory diseases

Interactions with Other Chemicals Which Enhance Toxicity: None known or reported

Animal Toxicology

Acute Toxicity:
Inhalation LC 50: No data; harmful if swallowed
Dermal LD 50: Believed to be > 2 g/kg ( rabbit )
Oral LD 50: Believed to be 300-500 mg/kg ( rat ); harmful if swallowed
Irritation: Causes burns to eyes and skin
 
Acute Target Organ Toxicity: This product is corrosive to all tissues contacted and upon inhalation; may cause irritation to mucous membranes and respiratory tract
Chronic Target Organ Toxicity: There are no known or reported effects from repeated exposure except those secondary to burns
Reproductive and Developmental Toxicity: There are no known or reported effects on reproductive function or fetal development from dermal or inhalation exposure
Carcinogenicity: This product is not known or reported to be carcinogenic by any reference source including IARC, OSHA, NTP, or EPA
Mutagenicity: This product is not known or reported to be mutagenic
 
Aquatic Toxicity:
Aquatic toxicity Rating 2 ( TLM96: 100-10 ppm )
TLM 96 - Gambusia affinis ( mosquito fish ) 125 ppm
TLM 48 - Brown shrimp 33-100, cockle 330-1000 ppm, armed bullhead 33-100 ppm, unspecified platfish 33-100 ppm
TLM 24 - Small bass 31.7 ppm, bluegill 76.6 ppm

X. Transportation Information

This material is regulated as a DOT Hazardous material

DOT Description from the Hazardous Materials table 49 CFR 172.101

Land ( US DOT ): Sodium Hydroxide Solution, 8, UN 1824, PKG III
Water ( IMO ): Same as above
Air ( IATA/ICAO ): Same as above
Hazard Label/Placard: Corrosive
Reportable Quantity: 1000 lbs. ( Per 49 CFR 172.101, Appendix )
Emergency Guide #: 60

XI. Spill and Leakage Procedures

For all transportation accidents, call CHEMTREC at 800-424-9300
Reportable quantity ( Per 40 CFR 302.4 ): as Sodium Hydroxide = 1000 lbs.
Spill Mitigation Procedures: Evacuation procedures must be placed into effect. Evacuate all non-essential personnel. Hazardous concentrations in air may be found in local spill area and immediately downwind. Utilize emergency response personal protective equipment prior to the start of any response. Stop source of spill as soon as possible and notify appropriate personnel.
Air Release: Vapors may be suppressed by the use of water fog or spray. Contain all liquid for treatment and/or disposal as a ( potential ) hazardous waste.
Water Release: This material is heavier than and soluble in water. Notify all downstream users of possible contamination. Divert water flow around spill if possible and safe to do so. If unable to divert, create an overflow dam to contain material. Continue to handle as described in land spill.
Land Spill: Create a dike or trench to contain materials. Spill materials may be absorbed using sand, clay or commercial absorbent. Do not place spill materials back in their original containers. Containerize and label all spill materials properly. Decontaminate all clothing and the spill area using soap solution and flush with large amounts of water.
Spill Residues: Dispose of per guidelines under Section XII, Waste Disposal.

Personal Protection for Emergency Spill and Fire-Fighting Situations

Response to this material requires the use of a full encapsulated suit and self-contained breathing apparatus ( SCBA ). Additional protective clothing must be worn to prevent personal contact with this material. Those items include but are not limited to: boots, gloves, hard hat, splash-proof goggles and impervious clothing, i.e., chemically impermeable suit. Compatible materials for response to this material are neoprene, saranex, chlorinated polythylene, butyl rubber and polyvinyl alcohol.

XII. Waste Disposal

If this product becomes a waste, it meets the criteria of a hazardous waste as defined under 40 CFR 261 and would have the following EPA hazardous waste number: D002.
If this product becomes a waste, it will be a hazardous waste which is subject to the Land Disposal Restrictions under 40 CFR 268 and must be managed accordingly.
As a hazardous liquid waste, it must be disposed of in accordance with local, state and federal regulations in a permitted hazardous waste treatment, storage and disposal facility by treatment.
Care must be taken to prevent environmental contamination from the use of this material. The user of this material has the responsibility to dispose of unused material, residues and containers in compliance with all relevant local, state and federal laws and regulations regarding treatment, storage and disposal for hazardous and nonhazardous wastes.

XIII. Additional Regulatory Status Information

Toxic Substances Control Act: This substance is listed on the Toxic Substances Control Act inventory.
NSF Limits: NSF Maximum Drinking Water Use Concentration - 100 mg/liter as Sodium Hydroxide.
Superfund Amendments and Reauthorization Act Title III:
Hazard Categories, Per 40 CFR 370.2:
Health: Immediate ( Acute )
Physical: None

Emergency Planning and Community Right to Know, Per 40 CFR 355, Appendix A

Extremely Hazardous Substance - Threshold Planning Quantity: None established.
Supplier Notification Requirements, Per 40 CFR 372.45: None established

The information in this Material Safety Data Sheet should be provided to all who will use, handle, store, transport, or otherwise be exposed to this product. This information has been prepared for the guidance of plant engineering, operations and management and for persons working with or handling this product. Injectorall Electronics Corp. believes this information to be reliable and up to date as of the date of publication, but makes no warranty that it is. Additionally, if this Material Safety Data Sheet is more than 3 years old, you should contact Injectorall at the phone number listed below to make certain that this sheet is current.

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Contact Information

Telephone

516-349-1273

FAX

631-563-3389

Postal address

40 Diamond Drive, Plainview NY 11803

 

 

Electronic mail

General Information: injectorall@mindspring.com

Copyright 2003 Injectorall Electronics Corp.

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