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L-Serine

Name: L-Serine
Brand: MM

for biochemistry

Synonym(s):

L-Serine, 3-Hydroxy-L-alanine, Ser

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About This Item

Empirical Formula (Hill Notation):

C₃H₇NO₃

CAS Number:

56-45-1

Molecular Weight:

105.09

UNSPSC Code:

12352209

EC Index Number:

200-274-3

NACRES:

NA.21

MDL number:

MFCD00064224

eCl@ss:

32160406

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Properties

Quality Segment

100

form

solid

pH

5-6 (20 °C, 100 g/L in H₂O)

mp

215-225 °C (decomposes)

solubility

360 g/L

bulk density

570 kg/m³

storage temp.

2-30°C

SMILES string

[N+H3]C(CO)C(=O)[O-]

InChI

1S/C3H7NO3/c4-2(1-5)3(6)7/h2,5H,1,4H2,(H,6,7)

InChI key

MTCFGRXMJLQNBG-UHFFFAOYSA-N

Description

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white or colorless, needle-shaped crystals
Appearance of solution (1 mol/l, water): clear and colorless
Spec. rotation (α 20/D, 50 g/l, hydrochloric acid 1 mol/l, calc. on dried substance): +14.3 to +15.8
UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.05
UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.02
Chloride (Cl): ≤ 0.02 %
Sulfate (SO₄): ≤ 0.01 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.001 %
Co (Cobalt): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.0005 %
Mg (Magnesium): ≤ 0.0005 %
Na (Sodium): ≤ 0.005 %
NH₄ (Ammonium): ≤ 0.01 %
Zn (Zinc): ≤ 0.0005 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.1 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

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This Item	1.07647	S0450000	S4500
Millipore 1.07769 L-Serine	SAFC 1.07647 L-Serine	S0450000 Serine	Sigma-Aldrich S4500 L-Serine
description for biochemistry	description EMPROVE^® EXPERT Ph Eur,USP	description European Pharmacopoeia (EP) Reference Standard	description ReagentPlus^®, ≥99% (HPLC)
form solid	form crystalline powder	form -	form powder
storage temp. 2-30°C	storage temp. 2-30°C	storage temp. 2-8°C	storage temp. room temp
mp 215-225 °C (decomposes)	mp 215-225 °C (decomposes)	mp 222 °C (dec.) (lit.)	mp 222 °C (dec.) (lit.)
Quality Level 100	Quality Level 500	Quality Level -	Quality Level 200
solubility 360 g/L	solubility 360 g/L	solubility -	solubility H₂O: 50 mg/mL, clear, colorless
pH 5-6 (20 °C, 100 g/L in H₂O)	pH 5-6 (20 °C, 100 g/L in H₂O)	pH -	pH -

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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