Product Description
L(+)-Monosodium glutamate monohydrate occurs as colourless-to-white columnar crystals or crystalline powder, alternatively presented as a white-to-greyish-white powder.
It possesses high water solubility, reaching up to 600 g/L. A 5 g/100 mL aqueous solution exhibits a pH value ranging from 6.7-7.2.
This compound is slightly soluble in ethanol and insoluble in ether.
Properties
| Melting point | 232 °C (dec.)(lit.) |
| alpha | 25.5 º (c=5,2 N HCl,dry.sub.) |
| Fp | >900°C |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 600g/l |
| form | powder |
| color | white to off-white |
| PH | 6.7-7.2 (50g/l, H2O, 20℃) |
| Odor | Odorless |
| PH Range | 7 |
| Optical Rotation | [α]20/D 4.2±0.3°, c = 1.2% in H2O |
| Water Solubility | soluble |
| Merck | 146254 |
| BRN | 4164348 |
| LogP | -1.435 (est) |
| CAS DataBase Reference | 6106-04-3(CAS DataBase Reference) |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 24/25-36/37/39-27-26 |
| WGK Germany | 2 |
| RTECS | MA1578000 |
| TSCA | Yes |
| HS Code | 29224290 |
| Toxicity | LD50 orally in Rabbit: 15800 mg/kg |
Product Application
L-Glutamic acid monosodium salt monohydrate serves as an important raw material and intermediate widely deployed in organic synthesis, pharmaceutical and agrochemical industries. It is also applied within the food sector to enhance and intensify flavour profiles.
Furthermore, it acts as a model compound for assessing the sensitivity of L-glutamate sensors. Additionally, it may be utilised for the synthesis of the α-polymorph of L-glutamic acid.
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