Introduction：Basic information about CAS 4042-36-8|D-Pyroglutamic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | D-Pyroglutamic acid |
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| CAS Number | 4042-36-8 | Molecular Weight | 129.114 |
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| Density | 1.4±0.1 g/cm3 | Boiling Point | 453.1±38.0 °C at 760 mmHg |
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| Molecular Formula | C5H7NO3 | Melting Point | 155-162ºC |
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| MSDS | ChineseUSA | Flash Point | 227.8±26.8 °C |
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| Symbol |
GHS07 | Signal Word | Warning |
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Names
| Name | 5-oxo-D-proline |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.4±0.1 g/cm3 |
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| Boiling Point | 453.1±38.0 °C at 760 mmHg |
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| Melting Point | 155-162ºC |
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| Molecular Formula | C5H7NO3 |
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| Molecular Weight | 129.114 |
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| Flash Point | 227.8±26.8 °C |
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| Exact Mass | 129.042587 |
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| PSA | 66.40000 |
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| LogP | -2.39 |
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| Vapour Pressure | 0.0±2.4 mmHg at 25°C |
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| Index of Refraction | 1.512 |
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| InChIKey | ODHCTXKNWHHXJC-GSVOUGTGSA-N |
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| SMILES | O=C1CCC(C(=O)O)N1 |
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| Storage condition | 2~8°C |
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Safety Information
| Symbol |
GHS07 |
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| Signal Word | Warning |
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| Hazard Statements | H315-H319-H335 |
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| Precautionary Statements | P261-P305 + P351 + P338 |
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| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
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| Hazard Codes | Xi:Irritant |
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| Risk Phrases | R36/37/38 |
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| Safety Phrases | S26-S37/39 |
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| RIDADR | NONH for all modes of transport |
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| WGK Germany | 3 |
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| HS Code | 2933790090 |
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Customs
| HS Code | 2933790090 |
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| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
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Synonyms
| (2R)-5-oxopyrrolidine-2-carboxylic acid |
| L-Pidolic acid |
| (S)-(-)-2-pyrrolidone-5-carboxylic acid |
| Ajidew A 100 |
| Pyrrolidonecarboxylic acid |
| (S)-(-)-γ-Butyrolactam-γ-carboxylic acid |
| PyroGlu |
| L-Proline, 5-oxo- |
| 2-Oxo-1-pyrrolidinecarboxylic acid |
| D-Pyroglutamic Acid |
| Pyroglutamic acid |
| 2H-Pyrrole-2-carboxylic acid, 3,4-dihydro-5-hydroxy-, (2S)- |
| L-5-Oxoproline |
| (S)-(−)-Pyroglutamic acid |
| (R)-2-Pyrrolidone-5-carboxylic Acid |
| a-Aminoglutaric Acid Lactam |
| D-Glutamic Acid Lactam |
| D-(+)-Pyroglutamic Acid |
| 5-oxo-proline |
| MFCD00066212 |
| (S)-(−)-2-Pyrrolidone-5-carboxylic acid |
| (R)-(+)-2-Pyrrolidinone-5-Carboxylic Acid |
| (R)-5-Oxopyrrolidine-2-carboxylic Acid |
| (-)-Pyroglutamic acid |
| L-Glutamic Acid g-Lactam |
| 5-Oxo-L-proline |
| Oxopyrrolidinecarboxylic acid |
| 5-Pyrrolidinone-2-carboxylic acid |
| Proline, 5-oxo-, L- |
| PCA |
| Glutamic Acid Lactam |
| 2-L-Pyrrolidone-5-carboxylic acid |
| pidolic acid |
| (2S)-5-Hydroxy-3,4-dihydro-2H-pyrrole-2-carboxylic acid |
| EINECS 223-735-0 |
| 5-L-oxoproline |
| 1-Pyrrolidinecarboxylic acid, 2-oxo- |
| (S)-(-)-g-Butyrolactam-g-carboxylic Acid |
