D-Pyroglutamic acid 4042-36-8

Date：2022-01-12 Categories：related product

Post Date:

Jan 11,2022

Expiry Date:

Jan 11,2023

Detailed Description:

Cas No. :4042-36-8

Payment Method: T/T
Appearance
White crystals with lumps

Specific rotation[α]D/20

(C=2 in H2O)
+10.8°to +12.3°

Melting Point (ºC)
160 to 163 ºC

Chloride(C1)
Not more than 0.02%

Iron(Fe)
Not more than 10ppm

Heavy metals(Pb)
Not more than 10ppm

Arsenic(As2O3)
Not more than 1ppm

Loss on drying
Not more than 0.20%

Residue on ignition
Not more than 0.10%

Assay
98.0%¡«101.0%

CAS Registry Number:	4042-36-8
Synonyms:	;D-5-Pyrrolidone-2-carboxylic acid;D-Pyroglutamic acid;(R)-(+)-2-Pyrrolidinone-5-carboxylic acid;H-D-Pyr-OH; ;2-oxopyrrolidine-1-carboxylic acid;
Molecular Formula:	C₅H₇NO₃
Molecular Weight:	129.114
Molecular Structure:
Hazard Symbols:	Xi:Irritant;
Risk Codes:	R36/37/38:;
Safety Description:	S26:; S37/39:;

Tags：D-Pyroglutamic acid 4042-36-8

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4042-36-8