L-Serine CAS 56-45-1

L-serine is one of the aliphatic polar amino acids, belonging to the sugar-producing amino acids, which are widely found in natural proteins.L-serine, as a basic amino acid for proteins, is widely used in the pharmaceutical, food and cosmetic industries.

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Model:
56-45-1
Brand:
Futurechemical
Code:
56-45-1

Product Description

L-Serine Basic information
Product Name:	L-Serine
CAS:	56-45-1
MF:	C3H7NO3
MW:	105.09
EINECS:	200-274-3
Mol File:	56-45-1.mol
L-Serine Chemical Properties
Melting point	222 °C (dec.) (lit.)
alpha	15.2 º (c=10, 2N HCl)
Boiling point	197.09°C (rough estimate)
bulk density	570kg/m3
density	1.6
refractive index	1.4368 (estimate)
Fp	150°C
storage temp.	2-8°C
solubility	H2O: 50 mg/mL
form	powder
pka	2.19(at 25℃)
color	White
PH	5-6 (100g/l, H2O, 20℃)
Odor	wh. cryst. or cryst. powd., odorless, sweet taste
biological source	non-animal source
optical activity	[α]20/D +13.5±0.5°, c = 5% in 5 M HCl
Water Solubility	250 g/L (20 ºC)
λmax	λ: 260 nm Amax: 0.05
λmax	λ: 280 nm Amax: 0.05
Merck	148,460
Sublimation	150 ºC
BRN	1721404
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	MTCFGRXMJLQNBG-REOHCLBHSA-N
LogP	-1.58
CAS DataBase Reference	56-45-1(CAS DataBase Reference)
NIST Chemistry Reference	L-Serine(56-45-1)
EPA Substance Registry System	L-Serine (56-45-1)

Item 项目	Specification 标准	Result 检测结果
性状 Appearance	White crystals or crystalline powder	Conforms
鉴别 Identification	Infrared Absorption	Conforms
比旋度 Specific rotation [α]D25	+14.0 to +15.6°	+14.2°
干燥失重 Loss on drying	Not more than 0.2%	0.03%
灼烧残渣 Residue on ignition(sulfated)	Not more than 0.1%	0.05%
含氯量 Chloride (Cl)	Not more than 0.05%	<0.05%
硫酸根 Sulfate(SO4)	Not more than 0.03%	< 0.03%
铁 Iron (Fe)	Not more than 30ppm	<30 ppm
重金属 Heavy metals (Pb)	Not more than 10ppm	<10 ppm
铅 Lead	Not more than 3ppm	<3ppm
砷 Arsenic	Not more than 1ppm	<1ppm
镉 Cadmium	Not more than 1ppm	<1ppm
汞 Mercury	Not more than 0.1ppm	<0.1ppm
色谱纯度 Chromatographic purity	NMT 0.5% of any individual impurity is found. NMT 2.0% of total impurities is found.	Conforms
含量 Assay	98.5 to 101.5 % (Calculated on the dried basis)	99.4%
Total plate count	Less than 1000cfu/g	Conforms
Yeast ＆ molds	Less than 100cfu/g	Conforms
Coliforms	Less than 10cfu/g	Conforms
E Coli	Negative	Negative
Salmonella	Negative	Negative
Pseudomonas	Negative	Negative
S.Aureus	Negative	Negative

L-Serine CAS 56-45-1 Food additive Feed additive Cosmetic humectant

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
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Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

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