POLYGLYCINE

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Catalog Number
ACM25718949
Product Name
POLYGLYCINE
Structure
Structure
CAS
25718-94-9
Category
Heterocyclic Organic Compound
Description
Glycine appears as white crystals. (NTP, 1992);DryPowder;Solid;Solid;White crystalline powder; odourless
IUPAC Name
2-aminoacetic acid
Molecular Weight
75.07g/mol
Molecular Formula
C2H5NO2;C2H5NO2
Canonical SMILES
C(C(=O)O)N
InChI
InChI=1S/C2H5NO2/c3-1-2(4)5/h1,3H2,(H,4,5)
InChI Key
DHMQDGOQFOQNFH-UHFFFAOYSA-N
Melting Point
451 °F (NTP, 1992);Mp 292 (262 °) ° dec.;290 °C decomposes;262.2°C
Density
1.1607 (NTP, 1992);1.161 g/cu cm @ 20 °C
Solubility
greater than or equal to 100 mg/mL at 64° F (NTP, 1992);3.32 M;249 mg/mL at 25 °C;Insoluble in ethanol, ethyl ether, slightly soluble in acetone; very soluble in water;Solubility in 100 ml water @ 25 °C: 25.0 g; @ 50 °C: 39.1 g; @ 75 °C: 54.4 g; @ 100 °C: 67.2 g;100 g of abs alc dissolve about 0.06 g. Sol in 164 parts pyridine. Almost insol in ether.;water solubility = 2.49X10+5 mg/l @ 25 °C;249.0 mg/mL;Soluble in water; Slightly soluble in ether;Slightly soluble (in ethanol)
Color/Form
White crystals;MONOCLINIC OR TRIGONAL PRISMS FROM DILUTE ALCOHOL;Monoclinic prisms from alc
Complexity
42.9
Covalently-Bonded Unit Count
1
Decomposition
STARTS TO DECOMP AT 233 °C
EC Number
200-272-2
Exact Mass
75.032028g/mol
Formal Charge
0
H-Bond Acceptor
3
H-Bond Donor
2
Heavy Atom Count
5
LogP
-3.21 (LogP);-3.21;log Kow = -3.21;-3.21
Monoisotopic Mass
75.032028g/mol
NSC Number
760120;25936
Odor
Odorless
Other Experimental
Starts to dec at 233 °C, completely sintered at 290 °C;Hygroscopic prisms from HCl, mp 182 °C.;MP: 189 °C /(C2H5NO2)2.HCL/;EXISTS IN 3 POLYMORPHIC FORMS, ALPHA, BETA, GAMMA;BROWNS AT 228 °C & IS COMPLETELY SINTERED @ 290 °C;ISOELECTRIC POINT: 5.97
pKa
pKa2 9.78 (25 °)
Rotatable Bond Count
1
UNII
TE7660XO1C
XLogP3
-3.2
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