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Merck
CN

30078

Cysteamine hydrochloride

BioXtra

Synonym(s):

β-Mercapto­ethylamine hydrochloride, 2-Amino­ethane­thiol hydrochloride, 2-Mercapto­ethyl­amine hydrochloride, Decarboxy­cysteine hydrochloride, Thio­ethanol­amine hydrochloride

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About This Item

Linear Formula:
HSCH2CH2NH2 · HCl
CAS Number:
Molecular Weight:
113.61
UNSPSC Code:
41106305
NACRES:
NA.51
PubChem Substance ID:
EC Number:
205-858-1
Beilstein/REAXYS Number:
3590083
MDL number:
Assay:
98.0-101.0% (redox titration)
Form:
crystals, powder
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product line

BioXtra

Quality Segment

assay

98.0-101.0% (redox titration)

form

crystals, powder

mol wt

113.61 g/mol

concentration

≤100% (2-aminoethanethiol hydrochloride)

color

colorless to white

pH

3.5-5.0 (25 °C, 1 M in H2O)

mp

67-71 °C

solubility

H2O: 1 m at 20 °C, clear, colorless

anion traces

sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg, As: ≤0.5 mg/kg, Ba: ≤5 mg/kg, Bi: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Li: ≤5 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Mo: ≤5 mg/kg, Na: ≤50 mg/kg, Ni: ≤50 mg/kg, Pb: ≤5 mg/kg, Sr: ≤5 mg/kg, Zn: ≤5 mg/kg

absorption

cut-off at 270 nm in H2O at 1 M

λ

1 M in H2O

UV absorption

λ: 280 nm Amax: ≤0.3

storage temp.

2-8°C

SMILES string

Cl[H].NCCS

InChI

1S/C2H7NS.ClH/c3-1-2-4;/h4H,1-3H2;1H

InChI key

OGMADIBCHLQMIP-UHFFFAOYSA-N

General description

Cysteamine is an aminothiol that can reduce important oxidized disulfide molecules such as cystine to yield cysteine.

Application

Cysteamine is used in a wide range of applications such as regulation of gene expression, depletion of somatostatin and coating of nanoparticles. It may be used to study the potential value of cystine in metabolism disorders such as cystinosis. Cysteamine may be used as a redox sensitive component in biosensor development.

Other Notes

Aminothiol radioprotector; Inducer of duodenal ulcers in rodents; Depletes somatostatin concentration in rat tissues.


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Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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