26970-82-1
26970-82-1 structure
- Name: Sodium selenite hydrate (2:1:5)
- Chemical Name: disodium,selenite,pentahydrate
- CAS Number: 26970-82-1
- Molecular Formula: H10Na2O8Se
- Molecular Weight: 263.014
- Create Date: 2018-07-05 08:41:31
- Modify Date: 2024-01-02 18:03:17
| Name | disodium,selenite,pentahydrate |
|---|---|
| Synonyms |
Selenious acid,disodium salt,pentahydrate
Sodium selenite pentahydate disodium selenite pentahydrate Sodium selenite pentahydrate MFCD00149173 EINECS 233-267-9 sodium selenite hydrate(2:1:5) Sodium selenite hydrate (2:1:5) UNII-0WV4L961ZV |
| Melting Point | 710ºC (1310 deg F) (decomposes) |
|---|---|
| Molecular Formula | H10Na2O8Se |
| Molecular Weight | 263.014 |
| Exact Mass | 263.933624 |
| PSA | 109.34000 |
|
SECTION 1: Identification of the substance/mixture and of the company/undertaking Product identifiers Product name: Sodium selenite pentahydrate REACH No.: A registration number is not available for this substance as the substance or its uses are exempted from registration, the annual tonnage does not require a registration or the registration is envisaged for a later registration deadline.
CAS-No.: 26970-82-1 Relevant identified uses of the substance or mixture and uses advised against Identified uses: Laboratory chemicals, Manufacture of substances SECTION 2: Hazards identification Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008 Acute toxicity, Oral (Category 2), H300 Acute toxicity, Inhalation (Category 3), H331 Skin sensitisation (Category 1), H317 Chronic aquatic toxicity (Category 2), H411 For the full text of the H-Statements mentioned in this Section, see Section 16. Classification according to EU Directives 67/548/EEC or 1999/45/EC T+ Very toxicR28 T ToxicR23 R31 R43 N Dangerous for theR51/53 environment For the full text of the R-phrases mentioned in this Section, see Section 16. Label elements Labelling according Regulation (EC) No 1272/2008 Pictogram Signal wordDanger Hazard statement(s) H300Fatal if swallowed. H317May cause an allergic skin reaction. H331Toxic if inhaled. H411Toxic to aquatic life with long lasting effects. Precautionary statement(s) P261Avoid breathing dust. P264Wash hands thoroughly after handling. P273Avoid release to the environment. P280Wear protective gloves. P301 + P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/ physician. P311Call a POISON CENTER or doctor/ physician. Supplemental Hazard information (EU) EUH031Contact with acids liberates toxic gas. Other hazards - none SECTION 3: Composition/information on ingredients Substances Formula: Na2O3Se · 5H2O Molecular Weight: 263,01 g/mol CAS-No.: 26970-82-1 EC-No.: 233-267-9 Hazardous ingredients according to Regulation (EC) No 1272/2008 ComponentClassificationConcentration Sodium selenite pentahydrate CAS-No.26970-82-1Acute Tox. 2; Acute Tox. 3;<= 100 % EC-No.233-267-9Skin Sens. 1; Aquatic Chronic Index-No.034-003-00-32; H300, H317, H331, H411, EUH031 For the full text of the H-Statements and R-Phrases mentioned in this Section, see Section 16 SECTION 4: First aid measures Description of first aid measures General advice Consult a physician. Show this safety data sheet to the doctor in attendance. If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician. In case of skin contact Wash off with soap and plenty of water. Take victim immediately to hospital. Consult a physician. In case of eye contact Flush eyes with water as a precaution. If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician. Most important symptoms and effects, both acute and delayed The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11 Indication of any immediate medical attention and special treatment needed no data available SECTION 5: Firefighting measures Extinguishing media Suitable extinguishing media Dry powder Special hazards arising from the substance or mixture Sodium oxides, Selenium/selenium oxides Advice for firefighters Wear self contained breathing apparatus for fire fighting if necessary. Further information no data available SECTION 6: Accidental release measures Personal precautions, protective equipment and emergency procedures Wear respiratory protection. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. Environmental precautions Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up Pick up and arrange disposal without creating dust. Sweep up and shovel. Do not flush with water. Keep in suitable, closed containers for disposal. Reference to other sections For disposal see section 13. SECTION 7: Handling and storage Precautions for safe handling Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. Conditions for safe storage, including any incompatibilities Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Never allow product to get in contact with water during storage. Do not store near acids. hygroscopic Specific end use(s) A part from the uses mentioned in section 1.2 no other specific uses are stipulated SECTION 8: Exposure controls/personal protection Control parameters Components with workplace control parameters Exposure controls Appropriate engineering controls Avoid contact with skin, eyes and clothing. Wash hands before breaks and immediately after handling the product. Personal protective equipment Eye/face protection Face shield and safety glasses Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it. Full contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Z677272, Size M) Splash contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested:Dermatril® (KCL 740 / Z677272, Size M) data source: KCL GmbH, D-36124 Eichenzell, phone +49 (0)6659 87300, test method: EN374 If used in solution, or mixed with other substances, and under conditions which differ from EN 374, contact the supplier of the CE approved gloves. This recommendation is advisory only and must be evaluated by an industrial hygienist and safety officer familiar with the specific situation of anticipated use by our customers. It should not be construed as offering an approval for any specific use scenario. Body Protection Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Control of environmental exposure Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. SECTION 9: Physical and chemical properties Information on basic physical and chemical properties a) AppearanceForm: crystalline Colour: white b) Odourno data available c) Odour Thresholdno data available d) pH9 at 50 g/l at 20 °C e) Melting point/freezingno data available point f) Initial boiling point and no data available boiling range g) Flash pointnot applicable h) Evapouration rateno data available i) Flammability (solid, gas) no data available j) Upper/lowerno data available flammability or explosive limits k) Vapour pressureno data available l) Vapour densityno data available m) Relative densityno data available n) Water solubilitysoluble o) Partition coefficient: n- no data available octanol/water p) Auto-ignitionno data available temperature q) Decomposition> 300 °C - temperature r) Viscosityno data available s) Explosive propertiesno data available t) Oxidizing propertiesno data available Other safety information no data available SECTION 10: Stability and reactivity Reactivity no data available Chemical stability Stable under recommended storage conditions. Possibility of hazardous reactions no data available Conditions to avoid no data available Incompatible materials Strong oxidizing agents, Strong acids Hazardous decomposition products Other decomposition products - no data available In the event of fire: see section 5 SECTION 11: Toxicological information Information on toxicological effects Acute toxicity LD50 Oral - rat - 7 mg/kg Skin corrosion/irritation no data available Serious eye damage/eye irritation no data available Respiratory or skin sensitisation Germ cell mutagenicity mouse mammary gland DNA damage mouse mammary gland DNA inhibition Carcinogenicity This product is or contains a component that is not classifiable as to its carcinogenicity based on its IARC, ACGIH, NTP, or EPA classification. IARC:A4 - Not classifiable as a human carcinogen (Sodium selenite pentahydrate) 3 - Group 3: Not classifiable as to its carcinogenicity to humans (Sodium selenite pentahydrate) Reproductive toxicity Reproductive toxicity - mouse - Subcutaneous Effects on Fertility: Abortion. Reproductive toxicity - mouse - Subcutaneous Effects on Newborn: Live birth index (# fetuses per litter; measured after birth). Developmental Toxicity - mouse - Oral Effects on Embryo or Fetus: Fetotoxicity (except death, e.g., stunted fetus). Specific Developmental Abnormalities: Musculoskeletal system. Specific target organ toxicity - single exposure no data available Specific target organ toxicity - repeated exposure no data available Aspiration hazard no data available Additional Information RTECS: VS7420000 Nausea, Dizziness, Headache, anemia, Salivation, Tremors, Alopecia., Vomiting, Dermatitis, To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated. SECTION 12: Ecological information Toxicity Toxicity to fishLC50 - Cyprinodon variegatus (sheepshead minnow) - 4,5 - 12,0 mg/l - 96,0 h Toxicity to daphnia and EC50 - Daphnia magna (Water flea) - 7,9 mg/l - 48 h other aquatic invertebrates Toxicity to algaeEC50 - Pseudokirchneriella subcapitata (green algae) - 3,2 - 10,0 mg/l - 72 h Persistence and degradability no data available Bioaccumulative potential no data available Mobility in soil no data available Results of PBT and vPvB assessment PBT/vPvB assessment not available as chemical safety assessment not required/not conducted Other adverse effects Toxic to aquatic life with long lasting effects. SECTION 13: Disposal considerations Waste treatment methods Product Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. Contaminated packaging Dispose of as unused product. SECTION 14: Transport information UN number ADR/RID: 2630IMDG: 2630IATA: 2630 UN proper shipping name ADR/RID: SELENITES IMDG: SELENITES IATA:Selenites Transport hazard class(es) ADR/RID: 6.1IMDG: 6.1IATA: 6.1 Packaging group ADR/RID: IIMDG: IIATA: I Environmental hazards ADR/RID: yesIMDG Marine pollutant: yesIATA: no Special precautions for user no data available SECTION 15 - REGULATORY INFORMATION N/A SECTION 16 - ADDITIONAL INFORMATION N/A |
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATAACUTE TOXICITY DATA
MUTATION DATA
|
| Symbol |
GHS06, GHS09 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H300-H317-H331-H411 |
| Supplemental HS | Contact with acids liberates toxic gas. |
| Precautionary Statements | P261-P273-P280-P301 + P310 + P330-P304 + P340 + P312-P403 + P233 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges |
| Hazard Codes | T+:Verytoxic;N:Dangerous for the environment; |
| Risk Phrases | R23;R28;R31;R43;R51/53 |
| Safety Phrases | S28-S36/37-S45-S61 |
| RIDADR | UN 2630 6.1/PG 1 |
| WGK Germany | 2 |
| RTECS | VS7420000 |