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HomeProduct name listALPHA-D-GALACTURONIC ACID HYDRATE

ALPHA-D-GALACTURONIC ACID HYDRATE

  • CAS NO.:91510-62-2
  • Empirical Formula: C6H12O8
  • Molecular Weight: 212.15
  • MDL number: MFCD00071585
  • EINECS: 211-682-6
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-07 21:39:59
ALPHA-D-GALACTURONIC ACID HYDRATE Structural

What is ALPHA-D-GALACTURONIC ACID HYDRATE?

Chemical properties

white to light beige fine powder

The Uses of ALPHA-D-GALACTURONIC ACID HYDRATE

ALPHA-D-GALACTURONIC ACID HYDRATE is highly purified product form Pectine.It is used in the synthesis of N-(D-galacturonoyl) amino acids and dipeptides.

The Uses of ALPHA-D-GALACTURONIC ACID HYDRATE

D-(+)-Galacturonic acid monohydrate is a chemical used in the synthesis of N-(D-galacturonoyl) amino acids and dipeptides.

What are the applications of Application

D-(+)-Galacturonic acid monohydrate is a chemical used in the synthesis of N-(D-galacturonoyl) amino acids and dipeptides

Purification Methods

Crystallisation of the acid from 95% EtOH and drying it in a vacuum desiccator (12mm) over P2O5 gives the monohydrate mixture of and anomers (mostly -) as white micro needles, which sinter at ~100-111o and melt at 159-160o, [] D 20 +107o (initial, c 4 in H2O mutarotating to +51o). [Link & Sell Biochemical Preparations 3 74, 78 1953, Beilstein 3 IV 2000.] The -anomer is obtained by warming the -anomer in EtOH, AcOH or EtOAc and has m 1 6 0o (165o, sinters at 1 4 0o), [] D 20 +27o (initial, c 2 in H2O mutarotating to +55.3o in 24hours). The sodium salt [14984-39-5] M 216.1 has [] D 20 +27o (c 10 in H2O after 5hours). The phenylhydrazone has m 141o(from MeOH). [Ehrlich & Schubert Chem Ber 62 1974, 2014 1929, Anderson & King J Chem Soc 5333 1961, Beilstein 3 IV 2001.]

Properties of ALPHA-D-GALACTURONIC ACID HYDRATE

Melting point: 156-159℃
alpha  +51.7°(23℃/D, c=1, H2O)
refractive index  52.5 ° (C=10, H2O)
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Slightly, Sonicated), Methanol (Slightly), Water (Slightly)
form  Powder
color  White to Off-white
optical activity [α]20/D +53±2°, 5 hr, c = 10% in H2O
Water Solubility  Soluble in water
Merck  14,4337
BRN  1727087
CAS DataBase Reference 91510-62-2(CAS DataBase Reference)

Safety information for ALPHA-D-GALACTURONIC ACID HYDRATE

Computed Descriptors for ALPHA-D-GALACTURONIC ACID HYDRATE

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