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L-Pyroglutamic acid

L-Pyroglutamic acid chemical structure
CAS Number98-79-3
FormulaC5H7NO3
Mol. Weight129.11 g/mol

What is L-Pyroglutamic acid?

L-Pyroglutamic acid is a chemical compound with CAS number 98-79-3 and molecular formula C5H7NO3. It is used in various industrial and research applications.

Applications

Building block for asymmetric synthesis1 and pharmaceuticals.2

Specifications

Molecular Weight

129.11 g/mol

Assay/Purity

97%

Impurities

≤0.0005% Phosphorus (P)

Solubility

H2O: soluble1 M, clear, colorless

Safety Information

GHS07GHS07
Signal Word

Warning

Hazard Statements

H315-H319-H335

Precautionary Statements

P261-P305 + P351 + P338

Required PPE

dust mask type N95 (US), Eyeshields, Gloves

Melting Point

160-163 °C(lit.)

Ignition Residue

≤0.1%

Anion Traces

chloride (Cl-): ≤0.05%
sulfate (SO42-): ≤0.05%

Cation Traces

Al: ≤0.0005%
Ca: ≤0.0005%
Cu: ≤0.0005%
Fe: ≤0.0005%
K: ≤0.005%
Mg: ≤0.0005%
NH4+: ≤0.05%
Na: ≤0.005%
Pb: ≤0.001%
Zn: ≤0.0005%

EC Number

202-700-3

WGK Germany

3

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