L-Cysteine hydrochloride monohydrate
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L-Cysteine hydrochloride monohydrate Properties
- Melting point:
- 175°C
- alpha
- +6.0～+7.5゜ (20℃/D)(c=8,6mol/l HCl)(calculated on the dried basis)
- Density
- 1.54 g/cm3
- vapor pressure
- <0.1 hPa (20 °C)
- refractive index
- 6 ° (C=8, 1mol/L HCl)
- storage temp.
- Store at RT.
- solubility
- H2O: 1 M at 20 °C, clear, colorless
- form
- Solid
- color
- White
- PH
- 0.8-1.2 (100g/l, H2O, 20℃)
- PH Range
- 1 - 2
- optical activity
- [α]20/D +5.6±0.3°, c = 5% in 5 M HCl
- Water Solubility
- Soluble in cold water.
- λmax
- λ: 260 nm Amax: 1.0
λ: 280 nm Amax: 0.3
- Sensitive
- Hygroscopic
- Merck
- 14,2781
- BRN
- 5158059
- Stability:
- Stable. Incompatible with strong oxidizing agents, most common metals, hydrogen chloride.
- CAS DataBase Reference
- 7048-04-6(CAS DataBase Reference)
SAFETY
- Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
||
|---|---|---|---|
| Signal word | Warning | ||
| Hazard statements | H315-H319-H335 | ||
| Precautionary statements | P261-P280a-P304+P340-P305+P351+P338-P405-P501a | ||
| Hazard Codes | Xi | ||
| Risk Statements | 36/37/38 | ||
| Safety Statements | 26-36 | ||
| WGK Germany | 3 |
||
| RTECS | HA2285000 | ||
| F | 3-10-23 | ||
| TSCA | Yes | ||
| HS Code | 29309013 |
L-Cysteine hydrochloride monohydrate price More Price(35)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1.02839 | L-Cysteine hydrochloride monohydrate for biochemistry | 7048-04-6 | 1028390025 | $43.9 | 2020-08-18 | Buy |
| Sigma-Aldrich | 1.02839 | L-Cysteine hydrochloride monohydrate for biochemistry | 7048-04-6 | 1028390100 | $71.4 | 2020-08-18 | Buy |
| Alfa Aesar | J14035 | L-Cysteine hydrochloride monohydrate, 98.5-101.5% (dry basis) Thermo Scientific | 7048-04-6 | 25g | $35.98 | 2020-06-24 | Buy |
| Alfa Aesar | J14035 | L-Cysteine hydrochloride monohydrate, 98.5-101.5% (dry basis) Thermo Scientific | 7048-04-6 | 100g | $57.5 | 2020-06-24 | Buy |
| Sigma-Aldrich | PHR1102 | L-Cysteine hydrochloride monohydrate Pharmaceutical Secondary Standard; Certified Reference Material | 7048-04-6 | 1g | $70.6 | 2020-08-18 | Buy |
L-Cysteine hydrochloride monohydrate Chemical Properties,Uses,Production
Chemical Properties
white crystalline powderUses
L-Cysteine is a non-essential amino acid that can be synthesized by the human body under normal physiological conditions if a sufficient quantity of methionine is available. L-Cysteine is commonly use d as a precursor in the food and pharmaceutical industries. L-Cysteine is used as a processing aid for baking, as an additive in cigarettes, as well as in the preparation of meat flavours.Definition
ChEBI: A hydrate that is the monohydrate form of L-cysteine hydrochloride.Purification Methods
Likely impurities are cystine and tyrosine. Crystallise the salt from MeOH by adding diethyl ether, or from hot 20% HCl. Dry it under vacuum over P2O5. Hygroscopic. [Beilstein 4 III 1580, 1600.]L-Cysteine hydrochloride monohydrate Preparation Products And Raw materials
Raw materials
Preparation Products
L-Cysteine hydrochloride monohydrate Suppliers
Global( 380)Suppliers
| Supplier | Tel | Fax | Country | ProdList | Advantage | |
|---|---|---|---|---|---|---|
| Hefei TNJ Chemical Industry Co.,Ltd. | 86-0551-65418684 18949823763 |
86-0551-65418684 | info@tnjchem.com | China | 2754 | 55 |
| Shandong chuangyingchemical Co., Ltd. | 18853181302 |
sale@chuangyingchem.com | CHINA | 5917 | 58 | |
| Capot Chemical Co.,Ltd. | +86（0）13336195806 +86-571-85586718 |
+86-571-85864795 | sales@capotchem.com | China | 19929 | 60 |
| Henan DaKen Chemical CO.,LTD. | +86-371-55531817 |
info@dakenchem.com | CHINA | 21842 | 58 | |
| Henan Tianfu Chemical Co.,Ltd. | 0371-55170693 |
0371-55170693 | info@tianfuchem.com | CHINA | 22625 | 55 |
| Nanjing ChemLin Chemical Industry Co., Ltd. | 025-83697070 |
product@chemlin.com.cn | CHINA | 3014 | 60 | |
| ATK CHEMICAL COMPANY LIMITED | +86 21 5161 9050/ 5187 7795 |
+86 21 5161 9052/ 5187 7796 | ivan@atkchemical.com | CHINA | 24886 | 60 |
| career henan chemical co | +86-371-86658258 |
sales@coreychem.com | CHINA | 30039 | 58 | |
| NINGBO INNO PHARMCHEM CO., LTD. | 13867897135 |
sales@nbinno.com | CHINA | 925 | 58 | |
| SHANDONG ZHI SHANG CHEMICAL CO.LTD | +86 18953170293 |
+86 0531-67809011 | sales@sdzschem.com | CHINA | 2995 | 58 |
View Lastest Price from L-Cysteine hydrochloride monohydrate manufacturers
| Image | Release date | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2020-06-26 |
L-Cysteine hydrochloride monohydrate 7048-04-6 |
US $20.00 / KG | 1KG | 99% | 10T | Nanjing Sky Hope Tongyuan Biological Engineering Co., Ltd. | |
 |
2019-04-05 |
L-Cysteine hydrochloride monohydrate 7048-04-6 |
US $1.00 / kg | 1kg | 99% | High quality Factory | Chemwill Asia Co.,Ltd. | |
 |
2019-11-06 |
L-Cysteine hydrochloride monohydrate 7048-04-6 |
US $60.00 / KG | 10g | 99.8% | 10tons | Hebei shuoxi biotechnology co. LTD |
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