Material Safety Data Sheet
Sodium selenite MSDS
Section 1: Chemical Product and Company Identification
Product Name: Sodium selenite
Catalog Codes: 191175
CAS#: 10102-18-8
RTECS: VS7350000
TSCA: TSCA 8(b) inventory: Sodium selenite
CI#: Not available.
Chemical Name: Sodium Selenite
Chemical Formula: Na2-Se-O3
Contact Information:
Nile Chemicals
Masjid Bundar Mumbai 4000009
Tel No : 91-022-66313162
Fax No : 91-022-23454828
Section 2: Composition and Information on Ingredients
Name CAS # % by Weight
Sodium selenite 10102-18-8 100
Toxicological Data on Ingredients: Sodium selenite: ORAL (LD50): Acute: 7 mg/kg [Rat]. 7.1 mg/kg [Mouse].
Section 3: Hazards Identification
Potential Acute Health Effects:
Very hazardous in case of skin contact (irritant), of eye contact (irritant), of ingestion, of inhalation. Hazardous in case of skin
contact (permeator). Severe over-exposure can result in death. Inflammation of the eye is characterized by redness, watering,
and itching. Skin inflammation is characterized by itching, scaling, reddening, or, occasionally, blistering.
Potential Chronic Health Effects:
CARCINOGENIC EFFECTS: 3 (Not classifiable for human.) by IARC. MUTAGENIC EFFECTS: Mutagenic for mammalian
somatic cells. Mutagenic for bacteria and/or yeast. TERATOGENIC EFFECTS: Classified POSSIBLE for human.
DEVELOPMENTAL TOXICITY: Classified Reproductive system/toxin/female, Reproductive system/toxin/male [POSSIBLE].
The substance may be toxic to blood, kidneys, liver, skin, central nervous system (CNS). Repeated or prolonged exposure
to the substance can produce target organs damage. Repeated exposure to a highly toxic material may produce general
deterioration of health by an accumulation in one or many human organs.
Section 4: First Aid Measures
p. 2
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 immediately.
Skin Contact:
In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing
and shoes. Cover the irritated skin with an emollient. Cold water may be used.Wash clothing before reuse. Thoroughly clean
shoes before reuse. Get medical attention immediately.
Serious Skin Contact:
Wash with a disinfectant soap and cover the contaminated skin with an anti-bacterial cream. Seek immediate medical
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical
Serious Inhalation:
Evacuate the victim to a safe area as soon as possible. Loosen tight clothing such as a collar, tie, belt or waistband. If
breathing is difficult, administer oxygen. If the victim is not breathing, perform mouth-to-mouth resuscitation. Seek medical
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an
unconscious person. Loosen tight clothing such as a collar, tie, belt or waistband. Get medical attention immediately.
Serious Ingestion: Not available.
Section 5: Fire and Explosion Data
Flammability of the Product: Non-flammable.
Auto-Ignition Temperature: Not applicable.
Flash Points: Not applicable.
Flammable Limits: Not applicable.
Products of Combustion: Not available.
Fire Hazards in Presence of Various Substances: Not applicable.
Explosion Hazards in Presence of Various Substances:
Risks of explosion of the product in presence of mechanical impact: Not available. Risks of explosion of the product in
presence of static discharge: Not available.
Fire Fighting Media and Instructions: Not applicable.
Special Remarks on Fire Hazards: Not available.
Special Remarks on Explosion Hazards: Not available.
Section 6: Accidental Release Measures
Small Spill: Use appropriate tools to put the spilled solid in a convenient waste disposal container.
Large Spill:
Poisonous solid. Stop leak if without risk. Do not get water inside container. Do not touch spilled material. Use water spray to
reduce vapors. Prevent entry into sewers, basements or confined areas; dike if needed. Call for assistance on disposal. Be
careful that the product is not present at a concentration level above TLV. Check TLV on the MSDS and with local authorities.
Section 7: Handling and Storage
p. 3
Keep locked up.. Do not ingest. Do not breathe dust. In case of insufficient ventilation, wear suitable respiratory equipment. If
ingested, seek medical advice immediately and show the container or the label. Avoid contact with skin and eyes.
Storage: Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 25C (77F).
Section 8: Exposure Controls/Personal Protection
Engineering Controls:
Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended
exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants
below the exposure limit.
Personal Protection:
Splash goggles. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Gloves.
Personal Protection in Case of a Large Spill:
Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self contained breathing apparatus should be used to avoid
inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this
Exposure Limits:
TWA: 0.2 from ACGIH (TLV) [United States] [1995] Consult local authorities for acceptable exposure limits.
Section 9: Physical and Chemical Properties
Physical state and appearance: Solid. (Crystalline solid.)
Odor: Not available.
Taste: Not available.
Molecular Weight: 172.94 g/mole
Color: White.
pH (1% soln/water): Not available.
Boiling Point: Decomposition temperature: 710C (1310F)
Melting Point: 710C (1310F)
Critical Temperature: Not available.
Specific Gravity: 3.1 (Water = 1)
Vapor Pressure: Not applicable.
Vapor Density: 5.96 (Air = 1)
Volatility: Not available.
Odor Threshold: Not available.
Water/Oil Dist. Coeff.: Not available.
Ionicity (in Water): Not available.
Dispersion Properties: See solubility in water.
Easily soluble in hot water. Soluble in cold water. Insoluble in methanol, n-octanol.
Section 10: Stability and Reactivity Data
p. 4
Stability: The product is stable.
Instability Temperature: Not available.
Conditions of Instability: Incompatible materials.
Incompatibility with various substances: Not available.
Corrosivity: Non-corrosive in presence of glass.
Special Remarks on Reactivity: Not available.
Special Remarks on Corrosivity: Not available.
Polymerization: Will not occur.
Section 11: Toxicological Information
Routes of Entry: Absorbed through skin. Dermal contact. Inhalation. Ingestion.
Toxicity to Animals: Acute oral toxicity (LD50): 7 mg/kg [Rat].
Chronic Effects on Humans:
CARCINOGENIC EFFECTS: 3 (Not classifiable for human.) by IARC. MUTAGENIC EFFECTS: Mutagenic for mammalian
somatic cells. Mutagenic for bacteria and/or yeast. TERATOGENIC EFFECTS: Classified POSSIBLE for human.
DEVELOPMENTAL TOXICITY: Classified Reproductive system/toxin/female, Reproductive system/toxin/male [POSSIBLE].
May cause damage to the following organs: blood, kidneys, liver, skin, central nervous system (CNS).
Other Toxic Effects on Humans:
Very hazardous in case of skin contact (irritant), of ingestion, of inhalation. Hazardous in case of skin contact (permeator).
Special Remarks on Toxicity to Animals: Not available.
Special Remarks on Chronic Effects on Humans:
May cause adverse reproductive effects (paternal and maternal). Embryotoxic and/or foetotoxic in animal. May affect genetic
material (mutagenic). May cause cancer based on animal data.
Special Remarks on other Toxic Effects on Humans:
Acute Potential Health Effects: Skin: Causes skin irritation, dermatitis, and flushing. Eyes: causes severe eye irritation.
Inhalation: May cause respiratory tract and mucous membrane irritation with coughing, nasal discharge, epistaxis, and
olfactory fatigue, pulmonary edema, metal fume fever (symptoms include: chills, fever, headache), bronchitis, pneumonitis,
transient dyspnea. Ingestion: Causes gastrointestinal irritation with nausea, vomiting, diarrhea, salivation, and gastrointestinal
pain. Also causes halitosis or a garlic-like odor of the breath and affects behavior/central nervous system (CNS depression,
restlessness, muscle contraction, weakness, tremor, or spaticity, convulsions, lightheaded sensation, sluggish pupillary
reflexes, somnolence), blood (leukopenia), urinary system (bladder, kidneys), cardiovascular system, and liver (dengeneration
and cirrhosis). Chronic Potential Health Effects: Skin: It is absorbed through the skin. Effects of chronic or prolonged exposure
by skin contact may include dermatits, hair discoloration, alopecia. It may also affect behavior (convulsions). Ingestion:
Chronic or prolonged exposure by ingestion may affect the blood (anemia, leukocytosis), liver (hepatic necrosis, hemorrhage,
cirrhosis), urinary system (kidneys, bladder). It may also cause metallic taste, garlic-like odor on the breath, paleness, coated
tongue, nervousness, irritability, fatigue, and hyperreflexia.
Section 12: Ecological Information
Ecotoxicity: Not available.
BOD5 and COD: Not available.
Products of Biodegradation:
Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise.
Toxicity of the Products of Biodegradation: The products of degradation are less toxic than the product itself.
Special Remarks on the Products of Biodegradation: Not available.
p. 5
Section 13: Disposal Considerations
Waste Disposal:
Waste must be disposed of in accordance with federal, state and local environmental control regulations.
Section 14: Transport Information
DOT Classification: CLASS 6.1: Poisonous material.
Identification: : Selenite (Sodium selenite) UNNA: UN2630 PG: I
Special Provisions for Transport: Not available.
Section 15: Other Regulatory Information
Federal and State Regulations:
Connecticut hazardous material survey.: Sodium selenite Illinois chemical safety act: Sodium selenite New York acutely
hazardous substances: Sodium selenite Pennsylvania RTK: Sodium selenite Florida: Sodium selenite Massachusetts RTK:
Sodium selenite Massachusetts spill list: Sodium selenite New Jersey: Sodium selenite New Jersey spill list: Sodium selenite
Louisiana RTK reporting list: Sodium selenite Louisiana spill reporting: Sodium selenite TSCA 8(b) inventory: Sodium selenite
SARA 302/304/311/312 extremely hazardous substances: Sodium selenite SARA 313 toxic chemical notification and release
reporting: Sodium selenite CERCLA: Hazardous substances.: Sodium selenite: 100 lbs. (45.36 kg)
Other Regulations:
OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200). EINECS: This product is on the
European Inventory of Existing Commercial Chemical Substances.
Other Classifications:
WHMIS (Canada):
CLASS D-1A: Material causing immediate and serious toxic effects (VERY TOXIC). CLASS D-2A: Material causing other toxic
effects (VERY TOXIC).
R28- Very toxic if swallowed. R38- Irritating to skin. R40- Possible risks of irreversible effects. R41- Risk of serious damage to
eyes. R62- Possible risk of impaired fertility. R63- Possible risk of harm to the unborn child. S1/2- Keep locked up and out of
the reach of children. S26- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S28-
After contact with skin, wash immediately with plenty of [***] S36/37- Wear suitable protective clothing and gloves. S39- Wear
eye/face protection. S45- In case of accident or if you feel unwell, seek medical advice immediately (show the label where
possible). S46- If swallowed, seek medical advice immediately and show this container or label.
HMIS (U.S.A.):
Health Hazard: 3
Fire Hazard: 0
Reactivity: 0
Personal Protection: E
National Fire Protection Association (U.S.A.):
Health: 3
Flammability: 0
Reactivity: 0
Specific hazard:
Protective Equipment:
p. 6
Gloves. Lab coat. Dust respirator. Be sure to use an approved/certified respirator or equivalent. Wear appropriate respirator
when ventilation is inadequate. Splash goggles.
Section 16: Other Information
The information above is believed to be accurate and represents the best information currently available to us. However, we
make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume
no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for
their particular purposes. In no event shall Nile Chemicals be liable for any claims, losses, or damages of any third party or for
lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Nile Chemicals
has been advised of the possibility of such damages.


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