Sodium Sulfite Manufacturers, SDS MSDS Sheet

Mubychem Limited of USA & India is a pioneer manufacturers suppliers exporters & importers of chemicals including Hydraulic fracturing stimulation & oil well production chemicals, Pharmaceutical excipients, Fragrance & flavor chemicals. Muby Chem Ltd has several manufacturing facilities and toll manufacturers across the globe. We have offices warehouses and representatives in Houston & Midland Texas and Chicago Illinois USA.

Our suppliers have accreditations like FDA - GMP-GLP approval, ISO-9001, ISO-22000 HACCP, Kosher & Halal Certification. We offer Commercial Pure Pharmacopoeia Analytical Reagent & Food Grade of Chemicals and do Toll Manufacturing for Oil well drilling fracking fracturing and others.

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Synonyms: Sodium sulfite anhydrous; disodium sulfite; sulfurous acid, disodium salt; exsiccated sodium sulfite
CAS No.: 7757-83-7
Molecular Weight: 126.04
Chemical Formula: Na2SO3

GHS, Globally Harmonized System Classification in accordance with 29 CFR 1910
Classification according to Regulation (EC) No 1272/2008

Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.

Hazards not otherwise classified (HNOC):
May form combustible dust concentrations in air.
May cause mild skin irritation.
May cause mild eye irritation.

Precautionary statements:
P261: Avoid breathing dust/fume/gas/mist/vapors/spray.
P262: Do not get in eyes, on skin, or on clothing.
P281: Use personal protective equipment as required.
P302+P352 - IF ON SKIN: Wash with plenty of soap and water.
P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
P304 + P340 - IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P337+313: If eye irritation persists get medical advice/attention.

Eye Contact: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention.
Skin Contact: In case of contact, immediately flush skin with plenty of water. Cover the irritated skin with an emollient. Remove contaminated clothing and shoes. Cold water may be used. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention.
Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention.
Ingestion: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband.

Fire: Sodium sulfite is not considered to be a fire hazard. If involved in a fire, can emit toxic fumes and irritating and corrosive gases.
Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire.
Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full face piece operated in the pressure demand or other positive pressure mode.

Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according legal requirements.
Large Spill: Use a shovel to put the material into a convenient waste disposal container. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.

Keep in a tightly closed container. Protect from physical damage. Store in a cool, dry, ventilated area away from sources of heat, moisture and incompatibilities. Containers of Sodium sulfite may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product.

Airborne Exposure Limits: -ACGIH Threshold Limit Value (TLV) -5mg/m3 (TWA) for sodium bisulfite & for sodium metabisulfite, A4 Not classifiable as a human carcinogen.
Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved): If the exposure limit is exceeded and engineering controls are not feasible, a half face piece particulate respirator (NIOSH type N95 or better filters) may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest.. A full-face piece particulate respirator (NIOSH type N100 filters) may be worn up to 50 times the exposure limit, or the maximum use concentration specified by the appropriate regulatory agency, or respirator supplier, whichever is lowest. If oil particles (e.g. lubricants, cutting fluids, glycerin, etc.) are present, use a NIOSH type R or P filter. For emergencies or instances where the exposure levels are not known, use a full-face piece positive-pressure, air-supplied respirator. WARNING: Air-purifying respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection: Wear protective gloves and clean body-covering clothing.
Eye Protection: Use chemical safety goggles. Maintain eye wash fountain and quick-drench facilities in work area.

Appearance: Sodium sulfite is white crystals.
Odor: Slightly sulfurous odor.
Solubility: Soluble in 3.2 parts water.
Specific Gravity: 2.6 @ 15.4C (60F)
pH:. 9.5 approx.
% Volatile by volume @ 21C (70F): 0
Boiling Point: Not applicable.
Melting Point: No information found.
Vapor Density (Air=1): No information found.

Stability: Sodium sulfite is stable under ordinary conditions of use and storage. Heat and moisture & air contribute to instability.
Hazardous Decomposition Products: Burning may produce sulfur oxides.
Hazardous Polymerization: Will not occur.
Incompatibilities: Acids, strong oxidizers, high temperatures.
Conditions to Avoid: Heat and moisture.

LD50 Oral - Rat - 3,560 mg/kg
LC50 Inhalation - Rat - 4 h - > 5,500 mg/m3
LD50 Dermal - Rat - > 2,000 mg/kg
--------\Cancer Lists\------------
---------------- -NTP Carcinogen--
Ingredient ----- Known Anticipated IARC Category
-------------- - ----- ----------- -------------
Sodium Sulfite - No -- No -------- 3

Toxicity to fish: LC50 - Gambusia affinis (Mosquito fish) - 660 mg/l - 96 h
Environmental Fate: No information found.
Environmental Toxicity: No information found.

Dispose of Sodium sulfite containers and unused contents in accordance with legal requirements.

DOT (USA) & ADR/RID: Not dangerous goods
TDG/IMDG: Not dangerous goods
IATA: Not dangerous goods

USA Regulations:
SARA 311/312: Acute: Yes; Chronic: No; Fire: No; Pressure: No; Reactivity: No (Pure / Solid)

Disclaimer:
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Our company provides this Sodium Sulfite Sulphite SDS information sheet contained herein in good faith but makes no representation as to its comprehensiveness or accuracy. This Sodium Sulfite MSDS sheet is intended only as a guide to the appropriate precautionary handling of the material by a properly trained person using this product. Individuals receiving the information must exercise their independent judgment in determining its appropriateness for a particular purpose.
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