Selenium
Selenium
- CAS:
- 7782-49-2
- MF:
- Se
- MW:
- 78.96
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Properties
- Melting point:
- 217 °C (lit.)
- Boiling point:
- 684.9 °C (lit.)
- Density
- 4.81 g/mL at 25 °C (lit.)
- bulk density
- 1270kg/m3
- vapor pressure
- <1 Pa (20 °C)
- storage temp.
- no restrictions.
- solubility
- H2O: soluble
- form
- powder
- Specific Gravity
- 4.81
- color
- White to creamy white
- Flame Color
- Azure blue
- Resistivity
- 1.2 μΩ-cm, 0°C
- Water Solubility
- Insoluble
- Merck
- 13,8505
- Exposure limits
- TLV-TWA 0.2 mg(Se)/m3 (ACGIH, MSHA, and OSHA); IDLH 100 mg/m3.
- Dielectric constant
- 6.1（Ambient）
- Stability:
- Stable. Incompatible with strong acids, strong oxidizing agents and most common metals. Combustible.
- InChIKey
- SPVXKVOXSXTJOY-UHFFFAOYSA-N
- CAS DataBase Reference
- 7782-49-2(CAS DataBase Reference)
- IARC
- 3 (Vol. 9, Sup 7) 1987
- NIST Chemistry Reference
- Selenium atom(7782-49-2)
- EPA Substance Registry System
- Selenium (7782-49-2)
Safety Information
- Symbol(GHS)
GHS06,GHS08
- Signal word
- Danger
- Hazard statements
- H301+H331-H373-H413
- Precautionary statements
- P260-P264-P273-P301+P310-P304+P340+P311-P314
- Hazard Codes
- T
- Risk Statements
- 36/38-53-33-23/25
- Safety Statements
- 26-61-45-28-20/21-28A
- RIDADR
- UN 3440 6.1/PG 3
- OEB
- C
- OEL
- TWA: 0.2 mg/m3 [*Note: The REL also applies to other selenium compounds (as Se) except Selenium hexafluoride.]
- WGK Germany
- 2
- RTECS
- VS7700000
- TSCA
- Yes
- HazardClass
- 9
- PackingGroup
- III
- HS Code
- 28049090
- Hazardous Substances Data
- 7782-49-2(Hazardous Substances Data)
- Toxicity
- LD50 orally in Rabbit: 6700 mg/kg
- IDLA
- 1 mg Se/m3
Use
Selenium is a trace mineral used for years in topical preparations for its anti-fungal properties. Selenium has been shown to have other protective effects such as repairing DnA, reducing the DnA-binding of carcinogens, and suppressing gene mutations.
19 India supplier list of "Selenium"
- Product Name:Selenium
- Company Type: Trader
- Country/Region: New Delhi,INDIA
- Product Name:Selenium
- Products Intro:Purity: 98% | Package: 1 kg,5 kg, 10 kg,25kg
- Company Type: Manufacturer
- Country/Region: Maharashtra,INDIA
- Product Name:Selenium
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Reagent
- Country/Region: Maharashtra,INDIA
- Product Name:SELENIUM POWDER BLACK 99.5%
- Products Intro:Purity: 99.50% | Package: 100GM;500GM;25GM
- Company Type: Reagent
- Country/Region: Maharashtra,INDIA
- Product Name:SELENIUM (METAL) POWDER
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg and 1 MT
- Company Type: Manufacturer
- Country/Region: Maharashtra,INDIA
- Product Name:Selenium
- Products Intro:Purity: 99% | Package: 1 kg,5 kg, 10 kg,25kg and 1MT
- Company Type: Manufacturer
- Country/Region: Maharashtra,INDIA
- Product Name:Seleniumblack99+
- Products Intro:Brand:sigma aldrich | Product Number:1.07714 | Purity:foranalysisEMSURE?
- Company Type: Trader
- Country/Region: Bangalore,INDIA
- Product Name:Selenium
- Company Type: Trader
- Country/Region: Mumbai,INDIA
- Product Name:Selenium
- Company Type: Trader
- Country/Region: New Delhi,INDIA
- Product Name:Seleniumpowder
- Products Intro:Brand:chemsworth | Product Number:713264420
- Company Type: Trader
- Country/Region: New Delhi,INDIA