DL-GLUTAMIC ACID (CAS 138-16-9) — formula C5H9NO4, molecular weight 147.13; category food additives.
DL-GLUTAMIC ACID (CAS 138-16-9) is classified under Food Additives, with molecular formula C5H9NO4 and molecular weight 147.13, and serves as a key raw material in the food and beverage industry — commonly applied as a food additive, nutritional supplement, or processing aid where regulatory-grade purity is required. Jinan Shenghe Chemical Co., Ltd. supplies DL-GLUTAMIC ACID at commercial scale with stable lot-to-lot quality, accompanied by COA and full specification documentation. Typical categorization: Food Additives.
| CAS Number | 138-16-9 |
|---|---|
| Molecular Formula | C5H9NO4 |
| Molecular Weight | 147.13 |
| Melting Point | 201 |
| LogP | -3.7 |
| Applications | Glutamic acid is a non-essential amino acid and excitatory neurotransmitter, nutritional supplement, D-Glutamic acid: ACTIVE |
| Category | Food Additives |
Documented applications: Glutamic acid is a non-essential amino acid and excitatory neurotransmitter, nutritional supplement, D-Glutamic acid: ACTIVE.
DL-GLUTAMIC ACID is a food-grade compound with CAS registry number 138-16-9 and molecular formula C5H9NO4 (molecular weight 147.13), belonging to the food additives segment of chemical raw materials.
CAS number: 138-16-9
Its molecular formula C5H9NO4 comprises 5 C, 9 H, 1 N, 4 O atoms.
Also known as: DL-GLUTAMIC ACID · DL-谷氨酸
Category: food additives
The CAS registry number of DL-GLUTAMIC ACID is 138-16-9.
Molecular formula C5H9NO4, molecular weight 147.13.
It is also registered under: DL-GLUTAMIC ACID, DL-谷氨酸.
Recorded applications: Glutamic acid is a non-essential amino acid and excitatory neurotransmitter, nutritional supplement, D-Glutamic acid: ACTIVE.
Category: Food Additives.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for DL-GLUTAMIC ACID (CAS 138-16-9), compiled from public chemistry databases.
| CAS Registry Number | 138-16-9 |
|---|---|
| PubChem CID | 23327 |
| Molecular formula | C5H9NO4 |
| IUPAC name | (2R)-2-aminopentanedioic acid |
| UNII (FDA) | Q479989WEA |
| Molecular Weight | 147.13 |
|---|---|
| XLogP3 | -3.7 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 4 |
| Exact Mass | 147.05315777 |
| Monoisotopic Mass | 147.05315777 |
| Topological Polar Surface Area | 101 |
| Heavy Atom Count | 10 |
| Melting Point | 201 |
|---|---|
| Melting Point | 201 °C |
| Solubility | 8880 |
| Solubility | 8.88 mg/mL at 25 °C |
D-glutamic acid; 6893-26-1; (2R)-2-aminopentanedioic acid; D-glutamate; D-Glu; D-Glutaminic acid; D-2-Aminoglutaric acid; DTXSID1048675; Q479989WEA; DTXCID1028601; CHEBI:15966; NSC-77686; (-)-Glutamic acid; D Glutamate; glutamic acid d-; RefChem:583854
| GHS notification summary | 83.3% (5 / 6) |
|---|
| GHS notification summary | 83.3% (5 / 6) |
|---|---|
| Reported hazard statements | H315 (16.7%), H319 (16.7%), H335 (16.7%) |
This chemical does not meet GHS hazard criteria for 83.3% (5 of 6) of all reports.
H315 (16.7%): Causes skin irritation [Warning Skin corrosion/irritation]
DL-GLUTAMIC ACID · CAS 138-16-9 · C5H9NO4. UNII Q479989WEA. Melting Point: 201; Melting Point: 201 °C; Solubility: 8880.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: DL-谷氨酸