成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Biochemical Engineering>Amino Acids and Derivatives>Methionine derivatives>Selenomethionine
Selenomethionine
  • Selenomethionine

Selenomethionine

Price $1
Package 1kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2019-07-06

Product Details

Product Name: Selenomethionine CAS No.: 1464-42-2
Min. Order: 1kg Purity: 95%-99%
Supply Ability: 1000kg Release date: 2019/07/06
Contact person: crystal@coreychem.com

Names

[ Name ]: selenomethionine
[ Synonym ]: More Synonyms

 Chemical & Physical Properties

[ Boiling Point ]: 320.8±37.0 °C at 760 mmHg
[ Melting Point ]: 267-269ºC
[ Molecular Formula ]: C5H11NO2Se
[ Molecular Weight ]: 196.106
[ Flash Point ]: 147.8±26.5 °C
[ Exact Mass ]: 196.995499
[ PSA ]: 63.32000
[ LogP ]: -0.65
[ Vapour Pressure ]: 0.0±1.5 mmHg at 25°C

 MSDS

Selenomethionine MSDS(Chinese)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :

ES7100000

CHEMICAL NAME :

Butyric acid, 2-amino-4-(methylselenyl)-

CAS REGISTRY NUMBER :

1464-42-2

LAST UPDATED :

199712

DATA ITEMS CITED :

29

MOLECULAR FORMULA :

C5-H11-N-O2-Se

MOLECULAR WEIGHT :

196.13

WISWESSER LINE NOTATION :

QVYZ2-SE-1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

11 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

22 mg/kg

TOXIC EFFECTS :

Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Cardiac - other changes Lungs, Thorax, or Respiration - other changes

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intracervical

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

13 mg/kg

TOXIC EFFECTS :

Peripheral Nerve and Sensation - flaccid paralysis without anesthesia (usually neuromuscular blockage) Behavioral - changes in motor activity (specific assay) Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :

LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :

Intravenous

SPECIES OBSERVED :

Mammal - pig

DOSE/DURATION :

7450 ug/kg

TOXIC EFFECTS :

Brain and Coverings - recordings from specific areas of CNS Behavioral - somnolence (general depressed activity) Gastrointestinal - nausea or vomiting

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Bird - duck

DOSE/DURATION :

37 mg/kg/12W-C

TOXIC EFFECTS :

Blood - changes in leukocyte (WBC) count Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other oxidoreductases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

TYPE OF TEST :

TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :

Oral

DOSE :

14710 mg/kg

SEX/DURATION :

female 8 day(s) after conception

TOXIC EFFECTS :

Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)

MUTATION DATA

TYPE OF TEST :

Cytogenetic analysis

TEST SYSTEM :

Human Lymphocyte

DOSE/DURATION :

80 umol/L

REFERENCE :

MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 224,503,1989 *** REVIEWS *** ACGIH TLV-TWA 0.2 mg(Se)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 0.2 mg(Se)/m3 DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,224,1971 OSHA PEL (Gen Indu):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 0.2 mg(Se)/m3 CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-ARAB Republic of Egypt:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-AUSTRALIA:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-BELGIUM:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-DENMARK:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-FINLAND:TWA 0.1 mg(Se)/m3;STEL 0.3 mg(Se)/m3 JAN 1993 OEL-GERMANY:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-HUNGARY:STEL 0.1 mg(Se)/m3 JAN 1993 OEL-THE NETHERLANDS:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-THE PHILIPPINES:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-POLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWEDEN:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-SWITZERLAND:TWA 0.1 mg(Se)/m3 JAN 1993 OEL-TURKEY:TWA 0.2 mg(Se)/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 0.1 mg(Se)/m3 JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV

 Safety Information

[ Symbol ]: Article illustration Article illustration Article illustration 
GHS06, GHS08, GHS09
[ Signal Word ]: Danger
[ Hazard Statements ]: H301 + H331-H373-H410
[ Precautionary Statements ]: P261-P273-P301 + P310-P311-P501
[ Personal Protective Equipment ]: Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
[ Hazard Codes ]: T:Toxic;N:Dangerousfortheenvironment;
[ Risk Phrases ]: R23/25;R33;R50/53
[ Safety Phrases ]: S20/21-S28-S45-S60-S61
[ RIDADR ]: UN 3283
[ RTECS ]: ES7110000
[ HS Code ]: 2930909090
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Company Profile Introduction

Established in 2014,Career Henan Chemical Co. is a manufacturerspecializing in the sale of fine chemicals. Mainly deals in the sales of: Pharmaceutical intermediates OLED intermediates: Pharmaceutical intermediates; OLED intermediates;

You may like

Recommended supplier

Product name Price   Suppliers Update time
$86.00/200mg
VIP5Y
TargetMol Chemicals Inc.
2024-11-19
$1.00/1PCS
VIP6Y
Hebei Weibang Biotechnology Co., Ltd
2024-10-30
$4656.00/1KG
VIP6Y
Shaanxi Dideu Medichem Co. Ltd
2024-07-25
$8.00/1KG
VIP2Y
Henan Fengda Chemical Co., Ltd
2024-03-28
$0.00/25KG
VIP5Y
Hebei Mojin Biotechnology Co., Ltd
2023-09-07
$0.00/25mg
VIP3Y
Wuhan Senwayer Century Chemical Co.,Ltd
2023-02-10
$60.00/1kg
Hebei Yime New Material Technology Co., Ltd.
2022-06-28
$40.00/1KG
Shijiazhuang tongyang Import and Export Co., LTD
2021-08-19
  • Since: 2014-12-17
  • Address: No.967,15th Floor,Unit 7, Building 1, No.70 of DianChang Road, High-tech Development Zone, Zhengzho
INQUIRY
楊俊青

sales@coreychem.com