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ChemicalBook >> CAS DataBase List >>Selenium

Selenium suppliers

Selenium

CAS:
7782-49-2
MF:
Se
MW:
78.96

Properties

Melting point:
217 °C (lit.)
Boiling point:
684.9 °C (lit.)
bulk density
1270kg/m3
Density 
4.81 g/mL at 25 °C (lit.)
vapor pressure 
<1 Pa (20 °C)
storage temp. 
no restrictions.
solubility 
H2O: soluble
form 
powder
color 
White to creamy white
Specific Gravity
4.81
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.
InChI
1S/Se
InChIKey
SPVXKVOXSXTJOY-UHFFFAOYSA-N
SMILES
[Se]
Knoop Microhardness
350, N/mm2 Microhardness Gray Selenium
Shear Modulus
6.46 GPa
Modulus of Elasticity
57.9 GPa
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) 
GHS hazard pictogramsGHS hazard pictograms
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 
TSCA listed
HazardClass 
9
PackingGroup 
III
HS Code 
28049090
Storage Class
6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications
Acute Tox. 3 Inhalation
Acute Tox. 3 Oral
Aquatic Chronic 4
STOT RE 2
Hazardous Substances Data
7782-49-2(Hazardous Substances Data)
Toxicity
LD50 orally in Rabbit: 6700 mg/kg
IDLA
1 mg Se/m3
Limited Quantities
5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities
Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

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.

231 supplier list of "Selenium"

  • Product Name:Selenium powder
  • Products Intro:Purity: 0.99 | Package: 25KG;5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:selenium atom
  • Products Intro:Purity: 99% | Package: 25KG;5KG;1KG
  • Company Type: Trader
  • Country/Region: CHINA

$1000.00/ 1KG

  • Product Name:Selenium
  • Products Intro:Purity: 98% | Package: 1KG;1000USD
  • Company Type: Reagent
  • Country/Region: CHINA
  • Main Products: Nicotinamide riboside chloride,Curcumin,L(+)-Ascorbic acid,L-Glutamine,Stevioside Basic information
  • Product Name:Selenium Powder
  • Company Type: Service provider
  • Country/Region: CHINA
  • Main Products: UDDA
  • Product Name:Selenium
  • Products Intro:Purity: 99% | Package: 1g;USD|10g;USD|100g;USD|1KG;USD|25KG;USD
  • Company Type: Trader
  • Country/Region: CHINA
  • Product Name:Selenium
  • Company Type: Reagent
  • Country/Region: CHINA
  • Main Products: Gamma-butyrolactone
  • Product Name:Selenium
  • Company Type: Trader
  • Country/Region: INDIA
  • Product Name:Selenium
  • Products Intro:Package: 1g; 5g; 25g; 1kg; 5kg; 25kg
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: pharmaceuticals,intermediates,fine chemicals,screening compounds,building blocks
  • Product Name:selenium tablet
  • Products Intro:Purity: HPLC>99% | Package: Tablets, can be packed according to custom requirements
  • Company Type: Trader
  • Country/Region: CHINA
  • Main Products: Macitentan,Vortioxetine hydrobromide,Selexipag,4-(4-nitrophenyl)morpholin-3-one,polymorphism XRPD test and method validation
  • Product Name:Selenium
  • Products Intro:Purity: 99.9%(高纯试剂) | Package: 500g, 100g, 25g
  • Company Type: Trader
  • Country/Region: CHINA
You can find Selenium suppliers, manufacturers, and distributors from countries such as CHINA, United States and the India here. Browse to the tetrahydrofuran product information displayed by the supplier, as well as the supplier's contact and capability information.

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