Order number | Packaging | Quantity | Price |
AC28775 | Glass bottle | 25 g | 18.23 |
AC28775 | Glass bottle | 100 g | 51.3 |
AC28775 | Glass bottle | 1 kg | 378 |
AC28775 | Glass bottle | 10 kg | Inquire |
Product information | |
Synonyms | a-Amino--mercapto propionic acid |
Hill Formula | C3H7NO2S |
HS Code | 2930 90 13 |
EC number | 200-158-2 |
Molar mass | 121.16 g/mol |
CAS number | 52-90-4 |
Chemical and physical data | |
Ignition temperature | 420 C |
Solubility | 160 g/l (20 C) |
Melting point | 220 - 228 C |
Molar mass | 121.16 g/mol |
Bulk density | 300 kg/m3 |
pH value | 4.5 - 5.5 (100 g/l, H2O, 20 C) |
Safety information according to GHS | |
Hazard Statement(s) | H302: Harmful if swallowed. |
Signal Word | Warning |
Hazard Pictogram(s) | ![]() |
RTECS | HA1600000 |
Storage class | 10 - 13 Other liquids and solids |
WGK | WGK 1 slightly water endangering |
Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
Safety information | |
R Phrase | R 22 Harmful if swallowed. |
Categories of danger | harmful |
Hazard Symbol | ![]() |
Toxicological data | |
LD 50 oral | LD50 rat 1890 mg/kg |
Specifications | |
Assay (perchloric acid titration, calculated on dried substance) | 99.0 % |
Identity (IR-spectrum) | passes test |
Appearance | White, crystalline powder or colorless crystals. |
Appearance of solution (0.5 mol/l, hydrochloric acid 1 mol/l) | Clear and colorless. |
Spec. rotation ( 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance) | +8.0 to +9.0 |
UV-Absorption (280 nm, 0.5 mol/l, 1 cm, hydrochloric acid 1 mol/l) | 0.5 |
Chloride (Cl) | 0.02 % |
Sulfate (SO4) | 0.01 % |
Heavy metals (as Pb) | 0.001 % |
As (Arsenic) | 0.0005 % |
Ca (Calcium) | 0.001 % |
Co (Cobalt) | 0.0005 % |
Fe (Iron) | 0.0005 % |
K (Potassium) | 0.0005 % |
Mg (Magnesium) | 0.0005 % |
Na (Sodium) | 0.01 % |
NH4 (Ammonium) | 0.01 % |
Zn (Zinc) | 0.0005 % |
Foreign amino acids | 0.5 % |
Other ninhydrine positive substances | 0.1 % |
Loss on drying (105 C; 3 h) | 0.3 % |
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