Selenomethionine supplier | CasNO.1464-42-2

Name
Selenomethionine
EINECS 215-977-0
CAS No. 1464-42-2
Article Data1
CAS DataBase
Density g/cm³
Solubility soluble
Melting Point 267-269 ºC
Formula C5H11 N O2 Se
Boiling Point 320.8°Cat760mmHg
Molecular Weight 196.108
Flash Point 147.8°C
Transport Information UN 3283
Appearance white crystalline solid
Safety Poison by intravenous, intraperitoneal and intracervical routes. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x and Se. See also AMINES and SELENIUM COMPOUNDS.
Risk Codes R23/25;R33;R50/53
Molecular Structure
Hazard Symbols
Synonyms Butyricacid, 2-amino-4-(methylselenyl)- (6CI,8CI);2-Amino-4-(methylseleno)butyricacid;2-Amino-4-(methylselenyl)butyric acid;DL-Selenomethionine;Seleniummethionine;Seleno-DL-methionine;Selenomethionine;
PSA 63.32000
LogP 0.65930

Selenomethionine Chemical Properties

IUPAC Name: 2-Amino-4-methylselanylbutanoic acid
The MF of Selenomethionine (CAS NO.1464-42-2) is C₅H₁₁NO₂Se.

The MW of Selenomethionine (CAS NO.1464-42-2) is 196.11.
Synonyms of Selenomethionine (CAS NO.1464-42-2): Butanoic acid, 2-amino-4-(methylseleno)-, (2S)- ; (2S)-2-Amino-4-(methylselanyl)butanoic acid
Product Categories: Methionine [Met, M];Amino Acids;I - Z;Modified Amino Acids
Apperance: Colorless,transparent six square lamellae with metallic luster
Flash Point: 147.8 °C
Boiling Point: 320.8 °C
Melting Point: 267-269 °C
Storage temp: -20 °C
Water Solubility: soluble
EINECS: 215-977-0

Selenomethionine Uses

Selenomethionine (CAS NO.1464-42-2) is used as intermediates for medicine and health products and feed additives.Incorporation of selenomethionine into proteins in place of methionine aids the structure elucidation of proteins by X-ray crystallography using multi-wavelength anomalous diffraction (MAD). The incorporation of heavy atoms such as selenium helps solving the phase problem in X-ray crystallography.

Selenomethionine Toxicity Data With Reference

1.	dns-rat:lvr 100 µmol/L	CALEDQ Cancer Letters (Shannon, Ireland). 10 (1980),75.
2.	ipr-rat LD50:11 mg/kg	JPETAB Journal of Pharmacology and Experimental Therapeutics. 108 (1953),437.
3.	ivn-mus LD50:22 mg/kg	NRTXDN Neurotoxicology. 2 (1981),383.
4.	icv-mus LD50:13 mg/kg	NRTXDN Neurotoxicology. 2 (1981),838.
5.	ivn-pig LDLo:7450 µg/kg	AJVRAH American Journal of Veterinary Research. 34 (1973),1227.

Selenomethionine Consensus Reports

Selenium and its compounds are on the Community Right-To-Know List.

Selenomethionine Safety Profile

Poison by intravenous, intraperitoneal and intracervical routes. Mutation data reported. When heated to decomposition it emits toxic fumes of NO_x and Se. See also AMINES and SELENIUM COMPOUNDS.Safety information of Selenomethionine (CAS NO.1464-42-2):
Hazard Codes Toxic T, Dangerous N
Risk Statements
23/25 Toxic by inhalation and if swallowed
33 Danger of cumulative effects
50/53 Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Safety Statements
20/21 When using, do not eat, drink or smoke
28 After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer)
45 In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
60 This material and/or its container must be disposed of as hazardous waste
61 Avoid release to the environment. Refer to special instructions safety data sheet
RIDADR UN 3283
RTECS ES7110000

Selenomethionine Standards and Recommendations

OSHA PEL: TWA 0.2 mg(Se)/m³
ACGIH TLV: TWA 0.2 mg(Se)/m³
DFG MAK: 0.1 mg(Se)/m³

Selenomethionine Specification

Selenomethionine is an amino acid containing selenium. The L-isomer of selenomethionine, known as Se-met and Sem, is a common natural food source of selenium.The incorporation of selenomethionine into tissue proteins and keratin in horses causes alkali disease. Alkali disease is characterized by emaciation, loss of hair, deformation and shedding of hooves, loss of vitality and erosion of the joints of long bones.

Product Name

Selenomethionine