
Dopamine hydrochloride NEW
Price | $1 |
Package | 1kg |
Min. Order: | 1kg |
Supply Ability: | 10000 |
Update Time: | 2025-08-01 |
Product Details
Product Name: Dopamine hydrochloride | CAS No.: 62-31-7 |
Min. Order: 1kg | Purity: 99% |
Supply Ability: 10000 | Release date: 2025/08/01 |
Name:Dopamine hydrochloride
CAS:62-31-7
Chemical Formula:C?H??NO?·HCl
Molecular Weight:189.64 g/mol
CAS Number:62-31-7
Appearance:White to off-white crystalline powder
Solubility Water: Freely soluble (50 mg/mL at 20°C)
Ethanol: Slightly soluble
DMSO: Soluble
Melting Point:241–245°C (decomposes)
pKa:8.9 (amine), 10.6 (phenolic OH)
Storage:2–8°C, protected from light & moisture
Stability:Sensitive to oxidation (requires antioxidants like ascorbic acid)
Test Parameter | Specification | Test Method | Acceptance Criteria | Result |
---|---|---|---|---|
1. Identification | ||||
- Infrared Spectrum | Matches reference standard | USP <197> | Conforms | Complies |
- HPLC Retention Time | Consistent with standard | USP <621> | ±2% RSD | 99.8% Match |
2. Physical Characteristics | ||||
- Appearance | White crystalline powder | Visual | Free-flowing, no lumps | Complies |
- Solubility (Water) | Clear, colorless solution | USP <1231> | 50 mg/mL at 20°C | Complies |
3. Purity & Potency | ||||
- Assay (HPLC) | 98.0–101.0% | USP <621> | 98.0% min | 99.5% |
- Related Substances | ||||
∟ Noradrenaline | ≤0.5% | HPLC | ≤0.5% | 0.12% |
∟ Dopamine Impurity A | ≤0.2% | HPLC | ≤0.2% | 0.05% |
∟ Total Impurities | ≤2.0% | HPLC | ≤2.0% | 0.8% |
4. Residual Solvents | USP <467> | |||
∟ Methanol | ≤3000 ppm | GC | ≤3000 ppm | <500 ppm |
∟ Acetone | ≤5000 ppm | GC | ≤5000 ppm | Not Detected |
5. Specific Tests | ||||
- pH (1% Solution) | 3.0–5.5 | USP <791> | 3.0–5.5 | 4.2 |
- Water Content (KF) | ≤1.0% | USP <921> | ≤1.0% | 0.4% |
- Heavy Metals (as Pb) | ≤20 ppm | USP <231> | ≤20 ppm | <5 ppm |
- Residue on Ignition | ≤0.1% | USP <281> | ≤0.1% | 0.03% |
6. Microbial Limits | USP <61>, <62> | |||
- TAMC | ≤1000 CFU/g | Microbial Enumeration | ≤1000 CFU/g | 120 CFU/g |
- TYMC | ≤100 CFU/g | Microbial Enumeration | ≤100 CFU/g | <10 CFU/g |
- Pathogens | Absent | Absent | Absent |
Company Profile Introduction
Wuhan Hao Rong Biotechnology Co., Ltd., located in East Lake high tech Development Zone, Wuhan, is a company specializing in the production and operation of chemical raw materials, flavors and fragrances, food additives, agrochemicals and other products. The company has first-class production equipment, advanced production technology, scientific management system, perfect detection means, and an excellent R & D team. The R & D center of the company has a technical team specialized in research and development, as well as a number of advanced detection, experiment and pilot equipment, and has established a good technical support relationship with a number of scientific research institutions, with strong technical force. The company has a wide range of products, in line with the quality of survival, service and development, customer-centric, integrity management philosophy, do our best to provide customers with quality and cheap raw materials. In addition, haorong also helps customers develop and implement customized system solutions. In these core areas of the chemical industry, haorong's core expertise covers chemicals and application technology, flexible asset management and customized services.
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- Since: 2019-11-21
- Address: Room E020, 4th Floor (1-3), Building 5, International Enterprise Center, No.1 Guanshan Second Road,
INQUIRY
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+86-18565342920
sales@chembj.net