SODIUM SELENITE 0698
November 1998
CAS No: 10102-18-8 Disodium selenite
RTECS No: VS7350000 Selenious acid, disodium salt
UN No: 2630 Disodium selenium trioxide
EC No: 034-003-00-3 Na2SeO3
Molecular mass: 172.9
TYPES OF
ACUTE HAZARDS/SYMPTOMS PREVENTION FIRST AID/FIRE FIGHTING
HAZARD/
EXPOSURE
FIRE Combustible under specific conditions. NO open flames. Water spray, foam, carbon dioxide, dry
Gives off irritating or toxic fumes (or sand, special powder.
gases) in a fire.
EXPLOSION
EXPOSURE PREVENT DISPERSION OF DUST! IN ALL CASES CONSULT A DOCTOR!
STRICT HYGIENE!
Inhalation Abdominal cramps. Cough. Diarrhoea. Local exhaust or breathing protection. Fresh air, rest. Refer for medical
Dizziness. Headache. Laboured attention.
breathing. Nausea. Sore throat.
Vomiting. Hair loss.
Skin Redness. Pain. Protective gloves. Remove contaminated clothes. Rinse
skin with plenty of water or shower. Refer
for medical attention.
Eyes Redness. Pain. Safety spectacles, face shield or eye First rinse with plenty of water for several
protection in combination with breathing minutes (remove contact lenses if easily
protection if powder. possible), then take to a doctor.
Ingestion Abdominal cramps. Vomiting. Do not eat, drink, or smoke during work. Rinse mouth. Induce vomiting (ONLY IN
Wash hands before eating. CONSCIOUS PERSONS!). Refer for
medical attention.
SPILLAGE DISPOSAL PACKAGING & LABELLING
Personal protection: P3 filter respirator for toxic particles. Do EU classification Do not transport with food and feedstuffs.
NOT let this chemical enter the environment. Sweep spilled T+ Symbol
substance into sealable containers; if appropriate, moisten N Symbol
first to prevent dusting. Carefully collect remainder, then R: 23-28-31-43-51/53
remove to safe place. S: (1/2-)28-36/37-45-61
UN classification
UN Hazard Class: 6.1
UN Pack Group: I
EMERGENCY RESPONSE SAFE STORAGE
Transport Emergency Card: TEC (R)-61GT5-I Separated from strong acids, food and feedstuffs. Well closed. Store in an area without
drain or sewer access.
Prepared in the context of cooperation between the International
IPCS Programme on Chemical Safety and the European Commission 漏
IPCS 2006
International
Programme on
SEE IMPORTANT INFORMATION ON THE BACK.
Chemical Safety
0698 SODIUM SELENITE
IMPORTANT DATA
Physical State; Appearance Routes of exposure
HYGROSCOPIC SOLID IN VARIOUS FORMS The substance can be absorbed into the body by inhalation of its aerosol
and by ingestion.
Chemical dangers
On contact with hot surfaces or flames this substance decomposes Inhalation risk
forming toxic gases. The solution in water is a weak base. Reacts with Evaporation at 20/C is negligible; a harmful concentration of airborne
strong acids causing toxic hazard. particles can, however, be reached quickly.
Occupational exposure limits Effects of short-term exposure
TLV: (as Se) 0.2 mg/m3 as TWA; (ACGIH 2005). The substance irritates the eyes, the skin and the respiratory tract. The
MAK: (Inhalable fraction) 0.05 mg/m3; Peak limitation category: II(4); substance may cause effects on the liver, heart, nervous system and
Carcinogen category: 3B; Pregnancy risk group: C; (DFG 2006). gastrointestinal tract. Medical observation is indicated.
Effects of long-term or repeated exposure
Repeated or prolonged contact with skin may cause dermatitis. The
substance may have effects on the central nervous system, bone and
blood. See Notes.
PHYSICAL PROPERTIES
Melting point (decomposes): 320/C Solubility in water, g/100 ml at 20/C: 85
ENVIRONMENTAL DATA
The substance is toxic to aquatic organisms. Bioaccumulation of this chemical may occur along the food chain, for example in plants and in fish. It is
strongly advised that this substance does not enter the environment.
NOTES
Do NOT take working clothes home.
Also consult ICSC 0072 (Selenium).
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
Card has been partially updated in August 2007: see Storage, Occupational Exposure Limits, Environmental Data.
ADDITIONAL INFORMATION
Neither the EC nor the IPCS nor any person acting on behalf of the EC or the IPCS is responsible
LEGAL NOTICE for the use which might be made of this information
漏IPCS 2006
|