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Merck 102839 L-Cysteine hydrochloride...
Merck 102839 L-Cysteine hydrochloride monohydrate for biochemistry
Synonyms: Cys, L-Cysteinium Chloride Monohydrate, L-Cysteine Hydrochloride, Monohydrate
Katalog No: 100130.9025
Marka: Merck
Synonyms: Phenylformic acid, Benzene carboxylic acid
CAS #: 65-85-0
EC Numarası: 200-618-2
Molar Kütle: 122.12 g/mol
Kimyasal Formül: C₆H₅COOH
Tepe Formülü: C₇H₆O₂
Grade: Ph Eur,BP,USP,E 210
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| CAS # | EC Numarası | Tepe Formülü | Kimyasal Formül | Molar Kütle | Kalite Değeri |
|---|---|---|---|---|---|
| 65-85-0 | 200-618-2 | C₇H₆O₂ | C₆H₅COOH | 122.12 g/mol | Ph Eur,BP,USP,E 210 |
| Açıklama | |
|---|---|
| Katalog Numarası | 100130 |
| Eş anlamlı | Phenylformic acid, Benzene carboxylic acid |
| Ürün Bilgisi | |
|---|---|
| CAS Numarası | 65-85-0 |
| EC Dizin Numarası | 607-705-00-8 |
| EC Numarası | 200-618-2 |
| Grade | Ph Eur,BP,USP,E 210 |
| Tepe Formülü | C₇H₆O₂ |
| Kimyasal Formül | C₆H₅COOH |
| Molar Kütle | 122.12 g/mol |
| HS Kodu | 2916 31 00 |
| Structure formula Image | |
| Quality Level | MQ500 |
| Fizikokimyasal Bilgiler | |
|---|---|
| Kaynama Noktası | 249 °C (1013 hPa) |
| Yoğunluk | 1.26 g/cm3 (15 °C) |
| Parlama Noktası | 121 °C |
| Tutuşma sıcaklığı | 570 °C |
| Erime Noktası | 122.4 °C |
| pH Değeri | 2.8 (H₂O, 25 °C) (saturated solution) |
| Buhar basıncı | 0.001 hPa (20 °C) |
| Kütle yoğunluğu | 500 kg/m3 |
| Çözünürlük | 2.9 g/l |
| Özellikler | |
|---|---|
| Assay (acidimetric) | 99.5 - 100.5 % |
| Assay (acidimetric, calc. on anhydrous substance) | 99.5 - 100.5 % |
| Özdeşlik | conforms |
| Appearance of solution (5 %; ethanol 96 %) | Testi geçer |
| pH-value (saturated solution) | 2.5 - 3.5 |
| Solidification point (lower value) | ≥ 121 °C |
| Solidification point (upper value) | ≤ 123 °C |
| Sulfate (SO₄) | ≤ 0.02 % |
| As (Arsenic) | ≤ 1 ppm |
| Cd (Cadmium) | ≤ 10 ppm |
| Cr (Chromium)* | ≤ 2.5 ppm |
| Cu (Copper)* | ≤ 10 ppm |
| Hg (Mercury) | ≤ 1 ppm |
| Mn (Manganese)* | ≤ 25 ppm |
| Ni (Nickel)* | ≤ 2 ppm |
| Pb (Lead) | ≤ 2 ppm |
| Zn (Zinc)* | ≤ 10 ppm |
| Halogenated compounds (as Cl) | ≤ 0.01 % |
| Toluene (HS-GC) | ≤ 890 ppm |
| Other residual solvents (ICH Q3C) | excluded by the production prozess |
| Oxidizable matter (Ph Eur) | Testi geçer |
| Oxidizable matter (USP) | Testi geçer |
| Readily carbonisable substance | Testi geçer |
| Su | ≤ 0.5 % |
| Sulfated ash | ≤ 0.05 % |
| Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*). Conforms to the purity criteria on food additives according to the current European Commission Regulation. | |
| Corresponds to Ph Eur, BP, USP, E 210 | |