Material Safety Data Sheet
Sodium Bisulfite Solution
1. PRODUCT AND COMPANY IDENTIFICATION
Sodium Bisulfite Solution
PRODUCT NAME:
Sodium bisulfite, aqueous solution
OTHER/GENERIC NAMES:
Industrial
PRODUCT USE:
Esseco General Chemical
MANUFACTURER:
90 East Halsey Road
Parsippany, NJ 07054
USA
973-515-1840 800-631-8050 or
FOR MORE INFORMATION CALL: IN CASE OF EMERGENCY CALL:
973-515-0900
(24 Hours/Day, 7 Days/Week)
(Outside of USA)
(Monday-Friday, 9:00am-4:30pm)
2. COMPOSITION/INFORMATION ON INGREDIENTS
INGREDIENT NAME CAS NUMBER WEIGHT %
Sodium bisulfite 7631-90-5 38-40
Water 7732-18-5 Balance
Trace impurities and additional material names not listed above may appear in Section 15 of this MSDS. These
materials may be listed for local "Right-To-Know" compliance and for other reasons.
This product is considered hazardous under the OSHA Hazard
OSHA Hazard Communication Standard:
Communication Standard.
3. HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW: A yellow liquid with a pungent sulfur dioxide gas odor. May
irritate the skin. May cause irritation and/or burns to the eyes. Harmful if swallowed or
inhaled. May cause severe and possibly fatal allergic reactions if inhaled or swallowed by
some asthmatics and other 鈥榮ulfite-sensitive鈥? individuals. Reacts with acids to form toxic
and irritating sulfur dioxide gas.
POTENTIAL HEALTH HAZARDS
Repeated or prolonged contact with solution may cause irritation.
SKIN:
Solution contact will irritate the eyes. Long untreated exposures may cause burns.
EYES:
Inhalation of mist may irritate the respiratory tract. Contact with acids will generate sulfur
INHALATION:
dioxide gas which may be harmful or fatal if inhaled.
MSDS Number: EGC-0003 Page 1 of 6
Current Issue Date: April, 2003
MATERIAL SAFETY DATA SHEET
Sodium Bisulfite Solution
May irritate the gastrointestinal tract. May cause severe or deadly allergic reactions in some
INGESTION:
asthmatics and sulfite sensitive individuals. Very large doses may cause violent colic,
diarrhea, depression, and even death.
DELAYED EFFECTS: None known.
Ingredients found on one of the three OSHA designated carcinogen lists are listed below.
INGREDIENT NAME NTP STATUS IARC STATUS OSHA LIST
No ingredients listed in this section.
4. FIRST AID MEASURES
Immediately wash skin with plenty of soap and water. Remove contaminated clothing and wash before
SKIN:
reuse. Get medical attention if irritation persists.
Flush eyes immediately with water for at least 15 minutes. Get medical attention.
EYES:
Promptly remove to fresh air. Get immediate medical attention if signs of suffocation, irritation or
INHALATION:
other symptoms develop.
If conscious, immediately give a large quantity of water or milk and induce vomiting by touching
INGESTION:
finger to back of throat. Get immediate medical attention. Never give anything by mouth to an
unconscious person.
Treat symptomatically. Note potential for anaphylactic shock with allergic individuals.
ADVICE TO PHYSICIAN:
5. FIRE FIGHTING MEASURES
FLAMMABLE PROPERTIES
Not flammable
FLASH POINT:
Not applicable
FLASH POINT METHOD:
Not applicable
AUTOIGNITION TEMPERATURE:
Not applicable
UPPER FLAME LIMIT (volume % in air):
Not applicable
LOWER FLAME LIMIT (volume % in air):
Not applicable
FLAME PROPAGATION RATE (solids):
Not applicable
OSHA FLAMMABILITY CLASS:
EXTINGUISHING MEDIA:
Material is not flammable. Use extinguishing media appropriate for material in surrounding fire.
UNUSUAL FIRE AND EXPLOSION HAZARDS:
Releases toxic and irritating sulfur dioxide at fire temperatures.
SPECIAL FIRE FIGHTING PRECAUTIONS/INSTRUCTIONS:
Wear NIOSH-approved self-contained breathing apparatus.
MSDS Number: EGC-0003 Page 2 of 6
Current Issue Date: April, 2003
MATERIAL SAFETY DATA SHEET
Sodium Bisulfite Solution
6. ACCIDENTAL RELEASE MEASURES
IN CASE OF SPILL OR OTHER RELEASE: (See section 8 for recommended personal protective equipment.)
Dilute small spills cautiously with water. Neutralize residue with alkali such as soda ash, lime or limestone. Sulfur
dioxide and carbon dioxide may be released during neutralization. Provide ventilation to clear sulfur dioxide fumes
which may be generated.
Spills and releases may have to be reported to Federal and/or local authorities. See Section 15 regarding
reporting requirements.
7. HANDLING AND STORAGE
NORMAL HANDLING: (See section 8 for recommended personal protective equipment.)
Avoid contact with skin, eyes and clothing. Do not breathe mist and/or SO2 vapors. Do not eat or drink in the work
area. Use normal personal hygiene and housekeeping. Keep away from acids, heat and oxidizing agents.
STORAGE RECOMMENDATIONS:
Store in a cool, well-ventilated area away from acids and oxidizing agents. Releases sulfur dioxide gas slowly at
ambient temperatures.
8. EXPOSURE CONTROLS/PERSONAL PROTECTION
ENGINEERING CONTROLS:
Provide ventilation sufficient to eliminate mists and reduce SO2 levels below TLV. Packaging, unloading and
processing areas should be equipped with mechanical exhaust system.
PERSONAL PROTECTIVE EQUIPMENT
Wear impervious gloves and full work clothing, including acid resistant apron, long-
SKIN PROTECTION:
sleeved shirt and trousers.
Wear a hard hat (or other head covering) and chemical safety goggles. Do not wear
EYE PROTECTION:
contact lenses.
Where required, use a NIOSH-approved respirator for dust, mist and/or sulfur
RESPIRATORY
dioxide gas, as conditions indicate. Some exposures may require a NIOSH-
PROTECTION:
approved self-contained breathing apparatus or supplied-air respirator.
Eyewash and safety shower is recommended.
ADDITIONAL
RECOMMENDATIONS:
EXPOSURE GUIDELINES
INGREDIENT NAME ACGIH TLV OSHA PEL OTHER LIMIT
5 mg/m3
Sodium bisulfite ----- -----
(2 ppm)TWA
1
= Limit established by General Chemical Corporation.
2
= Workplace Environmental Exposure Level (AIHA).
3
= Biological Exposure Index (ACGIH).
MSDS Number: EGC-0003 Page 3 of 6
Current Issue Date: April, 2003
MATERIAL SAFETY DATA SHEET
Sodium Bisulfite Solution
OTHER EXPOSURE LIMITS FOR POTENTIAL DECOMPOSITION PRODUCTS:
Sulfur dioxide: OSHA TWA = 5 ppm
ACGIH TLV = 2 ppm
ACGIH STEL = 5 ppm
9. PHYSICAL AND CHEMICAL PROPERTIES
Yellow liquid.
APPEARANCE:
Liquid.
PHYSICAL STATE:
104.06
MOLECULAR WEIGHT:
NaHSO3 + H2O
CHEMICAL FORMULA:
Pungent sulfur dioxide odor.
ODOR:
1.33 (for 38% solution)
SPECIFIC GRAVITY (water = 1.0):
100%
SOLUBILITY IN WATER (weight %):
4.3 鈥? 5.3
pH:
104C
BOILING POINT:
Not applicable
MELTING POINT:
Estimated 9 (SO2)
VAPOR PRESSURE:
Not applicable.
VAPOR DENSITY (air = 1.0):
<1 Not known
EVAPORATION RATE: COMPARED TO:
Not applicable
% VOLATILES:
Not flammable
FLASH POINT:
(Flash point method and additional flammability data are found in Section 5.)
10. STABILITY AND REACTIVITY
NORMALLY STABLE? (CONDITIONS TO AVOID):
Normally stable. Avoid elevated temperatures. Temperatures at or near boiling (104C) cause evolution of toxic
and corrosive sulfur dioxide gas. Sulfur dioxide also will evolve slowly at ambient temperatures.
INCOMPATIBILITIES:
Oxidizers: may cause strong exothermic reactions.
Acids: releases sulfur dioxide gas which is toxic, corrosive, and potentially deadly.
HAZARDOUS DECOMPOSITION PRODUCTS:
Sulfur dioxide.
HAZARDOUS POLYMERIZATION:
Will not occur.
11. TOXICOLOGICAL INFORMATION
IMMEDIATE (ACUTE) EFFECTS:
Sodium bisulfite 鈥? LD50 (oral, mouse) = 820 mg/kg
DELAYED (SUBCHRONIC AND CHRONIC) EFFECTS:
Sodium bisulfite is a sensitizer; it can cause dermatitis and can precipitate asthma attacks, angioedema,
anaphylaxis, and other allergic reactions in sensitized persons.
MSDS Number: EGC-0003 Page 4 of 6
Current Issue Date: April, 2003
MATERIAL SAFETY DATA SHEET
Sodium Bisulfite Solution
OTHER DATA:
None
12. ECOLOGICAL INFORMATION
240 ppm / 24, 48, & 96 hr / mosquito fish / TLm / fresh water
13. DISPOSAL CONSIDERATIONS
RCRA
Is the unused product a RCRA hazardous If yes, the RCRA ID number is: Not applicable.
waste if discarded? No
OTHER DISPOSAL CONSIDERATIONS:
Dispose of in accordance with applicable Federal, State and Local regulations.
The information offered in section 13 is for the product as shipped. Use and/or alterations to the product such as
mixing with other materials may significantly change the characteristics of the material and alter the RCRA
classification and the proper disposal method.
14. TRANSPORT INFORMATION
8, PG III
US DOT HAZARD CLASS:
UN2693
US DOT ID NUMBER:
Bisulfites, aqueous solutions, n.o.s. (contains sodium bisulfite)
PROPER SHIPPING NAME:
For additional information on shipping regulations affecting this material, contact the information number found in
Section 1.
15. REGULATORY INFORMATION
TOXIC SUBSTANCES CONTROL ACT (TSCA)
All components are listed on TSCA Inventory of Chemical Substances.
TSCA INVENTORY STATUS:
None.
OTHER TSCA ISSUES:
SARA TITLE III/CERCLA
"Reportable Quantities" (RQs) and/or "Threshold Planning Quantities" (TPQs) exist for the following ingredients.
INGREDIENT NAME SARA/CERCLA RQ (lb) SARA EHS TPQ (lb)
Sodium bisulfite 5000 -----
Spills or releases resulting in the loss of any ingredient at or above its RQ requires immediate notification
to the National Response Center [(800) 424-8802] and to your Local Emergency Planning Committee.
Immediate.
SECTION 311 HAZARD CLASS:
SARA 313 TOXIC CHEMICALS:
MSDS Number: EGC-0003 Page 5 of 6
Current Issue Date: April, 2003
MATERIAL SAFETY DATA SHEET
Sodium Bisulfite Solution
The following ingredients are SARA 313 "Toxic Chemicals" and may be subject to annual reporting requirements.
CAS numbers and weight percents are found in Section 2.
INGREDIENT NAME COMMENT
No ingredients listed in this section.
STATE RIGHT-TO-KNOW
In addition to the ingredients found in Section 2, the following are listed for state right-to-know purposes.
INGREDIENT NAME WEIGHT % COMMENT
No ingredients listed in this section.
ADDITIONAL REGULATORY INFORMATION:
None
WHMIS CLASSIFICATION (CANADA):
D2B, E
FOREIGN CHEMICAL CONTROL INVENTORY STATUS:
Listed on Canadian DSL and EU EINECS.
16. OTHER INFORMATION
April, 2003
CURRENT ISSUE DATE:
January, 2002
PREVIOUS ISSUE DATE:
CHANGES TO MSDS FROM PREVIOUS ISSUE DATE ARE DUE TO THE FOLLOWING:
Change in company name.
FDA regulations (21 CFR) apply to use food and NF grade.
OTHER INFORMATION:
MSDS Number: EGC-0003 Page 6 of 6
Current Issue Date: April, 2003
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