Hvad er MSDS'en for natriummetabisulfit

Sikkerhedsdatablad
Natriummetabisulfit

Section 1- Chemical Product and Company Identification

MSDS Name: Sodium metabisulfite
Synonyms: Sodium pyrosulfite; Disodium disulfite; Pyrosulfurous acid, disodium salt; Disodium metabisulfite; Disodium pyrosulfite.
Company Identification: Roneda Chemical Co., Ltd
For information, call: +86 731-28813327
Emergency Number: +86 13617333142

Section 2-Composition. Information on Ingredients

Section 3- Hazards Identification
EMERGENCY OVERVTEW
Appearance: white to yellow solid.
Danner!May cause alleraic respiratory and skin reaction. May cause severe eve irritation and possible iniury. May he harmful if swallowed. May cause skin and respiratory tract irritation. Contact with acids liherates toxic gas, sulfur dioxide. Slowly axidized to. the sulfate on exposure to air and moisture. Corrosive to aluminum in anueous solution.
Target Organs:Respiratory system, eyes, skin
Potentielle sundhedseffekter
Øje:May cause severe eve irritation and possible injury.
Hud:May cause skin irritation. May be harmful if absorbed through the skin. May cause an allergic reaction in certain individuals
Indtagelse:May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed. Sulfite compounds may cause a severe allergic reaction in sensitive individuals and some asthmatics. Sodium metabisulfite used as a preservative in vineqar provoked severe asthma in a 67-vear-old woman who ate salad with vinegar-based dressing. (ACGIH Documentation of the TLVs)
Indånding:Mav cause alleric resniratory reaction. Mav cause effects similar to those described for ingestion. Inhalation of dust may cause respiratory tract irritation.
Kronisk:Prolonged or repeated skin contact may cause dermatitis, Repeated or prolonged exposure may cause alleraic reactions in sensitive individuals.

Section 4- First Aid Measures
Eves: In case of contact, immediately flush eyes with plenty of water for a t least 15 minutes. Get medical aid immediately.
Skin: In case of contact, flush skin with plenty of water, Remove contaminated clothing and shoes, Get medical aid if irritatior develops and persists. Wash clothing before reuse.
Ingestion: If swallowed, do not induce vomiting unless directed to do so hy medical nersonnel, Never aive anvthina by mouth to an unconscious person, Get medical aid.
Inhalation: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician: Treat symptomatically and supportively.
Section 5- Fire Fighting Measures
Generelle oplysninger:As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion, Substance is noncombustible.
Extinquishing Media:Use water fog, dry chemical, carbon dioxide, or reqular foam.
Flash Point:Ikke relevant
Selvantændelsestemperatur:Ikke anvendelig.
Explosion Limits, Lower:Ikke tilgængelig.
Øvre:Ikke tilgængelig
NFPA Rating:(estimated) Health: 3; Flammability: 0: Instability: 0
Section 6-Accidental Release Measures

Generelle oplysninger:Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Eauipment section. Avoid generating dusty conditions. Providę ventilation.
Section 7- Handling and Storage
Håndtering:Wash thorouahly after handlina. Remave contaminated clothina and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation, Keep container tightly closed. Avoid breathing dust, Do not get in eves, Ayoid contact with skin and clothing.
Opbevaring:Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from strong acids. Do not store in aluminum containers. Store protected from moisture, Keep away from oxidizing agents.
Section 8-Fxnosure Controls. Personal Protection
Teknisk kontrol:Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits
Eksponeringsgrænser

OSHA Vacated PEls: Sodium metabisulfite: 5 ma/m3 TWA Sulfur dioxide: 2 ppm TWA: 5 mg/m3 TWA
Personligt beskyttelsesudstyr
Øjne:Wear appropriate protective eyeglasses or chemical safety gogales as described by OSHA's eve and face protection renulations in 29 CER 1910.133 or Furonean Standard FN166.
Hud:Wear appropriate protective gloves to prevent skin exposure.

Tøj:Wear appropriate protective clothing to prevent skin exposure.

Åndedrætsværn:Follow the OSHA respirator reaulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or Furonean Standard FN 149 anproved resnirator if exnosure limits are exceeded or if irritation or other symptoms. are experienced.
Section 9- Physical and Chemical Properties
Fysisk tilstand:Solid
Udseende:white to vellow
Lugt:sulfur dioxide odor
pH:acid in soln
Damptryk:Ikke tilgængelig.
Dampdensitet:Ikke tilgængelig.
Fordampningshastighed:Ikke tilgængelig.
viskositet:Ikke tilgængelig.
Kogepunkt:Ikke tilgængelig.
Fryse-/smeltepunkt:150 grader c
Nedbrydningstemperatur:150 dea c
Opløselighed:Soluble.
Specifik vægtfylde/densitet:1.4
Molekylformel:Na2S205
Molekylær vægt:190.11

Section 10 - Stability and Reactivity
Kemisk stabilitet:Stable under normal temperatures and pressures. Slowly oxidized to the sulfate on exposure to air and moisture
Forhold, der skal undgås:Dust generation, moisture, exposure to air, excess heat, Corrosive to aluminum in aqueous solution..
Incompatibilities with other Materials:Strong oxidizing agents, acids.
Farlige nedbrydningsprodukter:Oxides of sulfur, toxic fumes of sodium oxide .
Hazardous Polvmerization:Has not been reported.Section 11-Toxicological Information.

RTECS#:
CAS#7681-57-4: UX8225000
CAS#7446-09-5: WS4550000
LD50/LC50:C
AS# 7681-57-4:
Dermal, guinea pig: LD50 = >1gm/kg;
Draize test, rabbit, eye: 100 mg/24H Mild;
Draize test, rabbit, skin: 500 mg.
Oral, rat: LD50 = 1131 mg/kg
Skin, rat: LD50 =>2 gm/kg;

CAS#7446-09-5
Draize test, rabbit,eye: 6 ppm/32D Mild;
Inhalation, mouse: LC50 = 3000 ppm/30M;
Inhalation, rat: LC50 = 2520 ppm/1H;
Inhalation, rat: LC50 = 2168 mg/m3;
Kræftfremkaldende egenskaber:
CAS# 7681-57-4: Not listed by ACGIH, IARC, NTP, or CA Prop 65
CAS# 7446-09-5: Not listed by ACGIH, IARC, NTP, or CA Prop 65

Epidemiologi:Two cases of occupational asthma in laundry workers exposed to sodium metabisulfite were reported, Sodium. metabisulfite may be considered to be the anhydride of sodium bisulfite and is the chief constituent of commercial dry sodium bisulfite

Teratogenicitet:No information found
Reproduktive effekter:See actual entry in RTECS for complete information
Mutagenicity:See actual entry in RTECS for complete information. Neurotoxicity: No information found
Other Studies:

Section 12 - Ecological Information

Ingen information tilgængelig
Section 13 - Disposal Considerations

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste. US EPA quidelines for the classification determination are listed in 40 CFR Parts 261.3. Additionally, waste generators must consult state and local hazardous waste regulations to ensure complete and accurate classification.
RCRA P-Series:None listed
RCRA U-Series:None listed.
Section 14- Transport Information