L-Pyroglutamic acid manufacturer CAS NO.98-79-3

Min.Order Quantity:: 1 Kilogram

Purity:: min 99%

Port:: Chinese Main ports

Payment Terms:: T/T

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Product Details

Keywords

L-pyr
pyroglutamic acid
(S)-(-)-2-Pyrrolidone-5-carboxylic acid

Quick Details

ProName: L-Pyroglutamic acid manufacturer
CasNo: 98-79-3
Molecular Formula: C5H7NO3
Appearance: White Crystalline Powder
Application: 98-79-3
DeliveryTime: Immediately
PackAge: Standard Packing: 25kg/drum
Port: Chinese Main ports
ProductionCapacity: 10 Metric Ton/Day
Purity: min 99%
Storage: Store in dry, dark, ventilated place.
Transportation: airplane or vessel
LimitNum: 1 Kilogram
Moisture Content: NMT 0.5%
Impurity: NMT 1.5%

Superiority

sichuan tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in china, we have the best quality and price. guarantee high quality, competive price and reliable service.

we fully compliance with iso9001:2008, production and quality management following gmp standards, production plant constructed in accordance with gmp standards. quality control conforms to the standards of pharmaceutical-food cp grade and japan ajinomoto aji, american usp and reagent grade br.

we have kosher and hala certificate.

Details

product name: l-pyroglutamic acid

cas#: 98-79-3

synonyms:(s)-(-)-2-pyrrolidone-5-carboxylic acid

molecular formula: c5h7no3

molecular weight: 129

specification: (reference standard aji92)

item	standard	analysis data
appearance	white crystalline powder	conforms
specific rotation(a)d20	-10 to -12o	-11.6o
transmittance	not less than 98.0%	98.2%
melting point (oc)	160 to 162 oc	161oc
chloride(c1)	not more than 0.02%	0.005%
ammonium(nh4)	not more than 0.02%	<0.02%
sulfate(so4)	not more than 0.02%	<0.02%
heavy metals(pb)	not more than 10ppm	<10ppm
iron(fe)	not more than 10ppm	5ppm
arsenic(as2o3)	not more than 1 ppm	<1ppm
loss on drying	not more than 0.50%	0.35%
residue on ignition	not more than 0.1%	0.08%
assay	99.0-101.0%	99.8%