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High Quality Dl-Pyroglutamic Acid CAS: 149-87-1

  • Model NO.: 99%
  • Classification: Amino Acid
  • Function: Study Research
  • Appearance: Powder
  • Name: Dl-Pyroglutamic Acid
  • Molecular Formula: C5h7no3
  • Molecular Weight: Molecular Weight
  • Products Content: 99.1%
  • Density: 1.38 g/cm3
  • Boiling Point: 453.1 °c at 760 Mmhg
  • Trademark: SWC
  • Transport Package: 25kg/Drum
  • Origin: China
  • CAS No.: 149-87-1
  • Formula: C5h7no3
  • EINECS: 205-748-3
  • Environmental Protection: No
  • Certification: REACH
  • Color: White

High Quality Dl-Pyroglutamic Acid CAS: 149-87-1
Chemical Name: DL-Pyroglutamic acid; DL-2-Pyrrolidone-5-carboxylic acid;

English Name:
DL-Pyroglutamic acid; DL-2-Pyrrolidone-5-carboxylic acid; DL-5-Oxo-2-pyrrolidinecarboxylic acid;

Molecular Formula:C5H7NO3;
Molecular Weight:129.11;
Products Content:99.1%;
Product Property:White crystal or crystal powder

Property Standard
Appearance White crystal
Rotary rate [α]D20
-0.3º to 0.3º
Light penetrating rate No less than 98.0%
Melting Point (ºC) 160.0 ~ 162.0 ºC
Chlorids (C1) No more than 0.02%
Amonnium salt (NH4) No more than 0.02%
Sulphur salts (SO4) No more than 0.02%
Heavy Metal (Pb) No more than 10ppm
Iron (Fe) No more than 10ppm
Arsenic salt (As2O3) No more than 1 PPm
Drying Loss No more than 0.50%
Burning residues No more than 0.2%
Purity 99.0-101.0%

High Quality Dl-Pyroglutamic Acid CAS: 149-87-1High Quality Dl-Pyroglutamic Acid CAS: 149-87-1High Quality Dl-Pyroglutamic Acid CAS: 149-87-1High Quality Dl-Pyroglutamic Acid CAS: 149-87-1
Frequently Asked Questions

Q1: May I get one sample before placing order?
Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight;

For those high value products, you just need to freight and certain product cost. When we both cooperate for

some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you.

Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.)

or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,

shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on

where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement.

Q5: How can you guarantee the goods you offer is qualified?
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide

for you all are qualified. We will have goods tested and provide COA before delivery for sure.


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