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1.01543

L-Arginine monohydrochloride

Name: <SC>L</SC>-Arginine monohydrochloride
Brand: MM

for biochemistry

Synonym(s):

α-Amino-δ-guanidino valerianic acid hydrochloride, alpha-Amino-delta-guanidino valerianic acid hydrochloride, Arg, (S)-(+)-2-Amino-5-[(aminoiminomethyl)amino]pentanoic acid monohydrochloride, (S)-(+)-Arginine hydrochloride

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About This Item

Empirical Formula (Hill Notation):

C₆H₁₄N₄O₂ · HCl

CAS Number:

1119-34-2

Molecular Weight:

210.66

UNSPSC Code:

12352209

NACRES:

NA.21

EC Index Number:

214-275-1

MDL number:

MFCD00064550

Beilstein/REAXYS Number:

3631658

Assay:

99% dry basis (perchloric acid titration)

Form:

powder

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Properties

vapor pressure

<1 Pa ( 20 °C)

Quality Level

100

assay

99% dry basis (perchloric acid titration)

form

powder

potency

12000 mg/kg LD₅₀, oral (Rat)

pH

5.7 (20 °C, 100 g/L in H₂O)

mp

>235 °C

solubility

730 g/L

density

1.42 g/cm³ at 20 °C

bulk density

1250 kg/m³

anion traces

sulfate (SO₄^2-): ≤0.01%

cation traces

As: ≤0.0005%, Ca: ≤0.001%, Co: ≤0.0005%, Fe: ≤0.0005%, K: ≤0.0005%, Mg: ≤0.0005%, NH₄⁺: ≤0.01%, Na: ≤0.005%, Zn: ≤0.0005%, heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

Description

Application

Improvement in Dental Health Products: Studies have shown that L-Arginine monohydrochloride enhances the bioavailability of fluoride in dental care products, promoting better oral health (Bijle et al., 2020).

Biochem/physiol Actions

Substrate of nitric oxide synthase, which is converted to citrulline and nitric oxide (NO). Induces insulin release by a nitric oxide-dependent mechanism.

Analysis Note

Assay (perchloric acid titration, calculated on dried substance): ≥ 99.0 %
Identity (IR-spectrum): passes test
Appearance: white to almost white, fine powder
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): +21.0 to +22.0
UV-Absorption(260 nm; 1 mol/l; 1 cm; water): ≤ 0.20
UV-Absorption(280 nm; 1 mol/l; 1 cm; water): ≤ 0.05
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 %
Zn (Zinc): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.01 %
Foreign amino acids: ≤ 0.3 %
Other ninhydrine positive substances: ≤ 0.2 %
Loss on drying (105 °C; 3 h): ≤ 0.3 %

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Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c