L-Pyroglutamic acid
(90032664 | 98-79-3)

CAS: 98-79-3
Molecular Formula: C5H7NO3
Molecular Weight: 129.11
Availablility: In Stock
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L-Pyroglutamic acid Chemical Structure

90032664-100g 100g £29.80
90032664-500g 500g £65.00
90032664-1kg 1kg £82.00
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90032664-100g 100g €41.80
90032664-500g 500g €91.00
90032664-1kg 1kg €114.80
Bulk Order
90032664-100g 100g $44.70
90032664-500g 500g $97.50
90032664-1kg 1kg $123.00
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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 90032664
Product Name L-Pyroglutamic acid
Categories Building Blocks Chiral Compounds Organics
CAS 98-79-3
Molecular Formula C5H7NO3
Molecular Weight 129.11
Storage Details Ambient
Harmonised Tariff Code 29337900

Product Specification
Melting Point 161 - 163°C
Residue on ingnition ≤ 0.20%
Loss on Drying ≤ 0.50%
Chloride (Cl) ≤ 0.02%
Assay 98.5 - 101.0%
Specific optical rotation -26 to -28° [10% NaOH]
Heavy Metals (Pb) ≤ 10ppm
Appearance White to off-white crystals or crystalline powder
Iron (Fe) ≤ 10ppm
Identification (IR) Conforms to reference
Arsenic (As2O3) ≤ 1ppm
Sulphate (SO4) ≤ 0.02%
Ammonium (NH4) ≤ 0.02%
Specific Optical Rotation[α]D20 -11.0 to -11.5° (C=2, H2O)
Glutamic acid content ≤ 0.5% (HPLC)

Safety Information
Pictograms
Corrosion
Signal word danger
Hazard statements
  • H315: Causes skin irritation

  • H318: Causes serious eye damage

  • H335: May cause respiratory irritation
Precautionary statements
  • P260: Do not breathe dust/fume/gas/mist/vapours

  • P280: Wear: protective gloves/ clothing & eye protection

  • P303+361: IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower

  • P304+340: IF INHALED: Remove victim to fresh air & keep at rest in a position comfortable for breathing

  • P305+351+338: IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

  • P308+313: IF exposed or concerned: Get medical advice/attention