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Lactic acid (cas 50-21-5) Molecular Structure

Lactic acid(CAS No. 50-21-5)

  • Molecular Formula: C3H6O3
  • Molecular Weight: 90.09

Identification of 50-21-5

  • Name:Lactic acid
  • EINECS:200-018-0
  • Molecular Formula:C3H6O3
  • CAS Registry Number:50-21-5
  • Synonyms: DL-Milchsaeure;Propanoic acid, 2-hydroxy-;2-Hydroxy-2-methylacetic acid;Aethylidenmilchsaeure;Purac FCC 88;2-Hydroxypropionic acid;Tonsillosan;Racemic lactic acid;Milk acid;alpha-Hydroxypropanoic acid;FEMA No. 2611;Chem-Cast;Lactovagan;Lactate (TN);2-hydroxypropanoic acid;(RS)-2-Hydroxypropionsaeure;Propanoic acid, 2-hydroxy- (9CI);(+-)-2-Hydroxypropanoic acid;Fermentationlactic acid Propanoic acid,2-hydroxy-;SY-83;Ordinary lactic acid;Biolac;Acidum lacticum;Lactic acid (7CI,8CI);alpha-hydroxypropionic acid;Milchsaeure;1-Hydroxyethanecarboxylic acid;
  • InChI：InChI=1S/C3H6O3/c1-2(4)3(5)6/h2,4H,1H3,(H,5,6)
  • Molecular Structure:Lactic acid C3H6O3 (cas 50-21-5) Molecular Structure
  • This structure is also available as a 2d Mol file.

Chemical Properties

  • Molecular Weight:90.09
  • Density:1.276 g/cm3
  • Water solubility:SOLUBLE
  • Boiling Point:227.6 °C at 760 mmHg
  • Melting Point:18 oC
  • Flash Point:109.9 °C
  • Alpha:-0.05 o (C= NEAT 25 oC)
  • Refractive index:1.4252-1.4272
  • Solubility:SOLUBLE
  • Appearance:colourless to yellow liquid
MSDS Documents
Sources
Download
1.Sigma-Aldrich
www.sigmaaldrich.com
2.Fisher Scientific
fscimage.fishersci.com/msds/00827.htm
3.Trade-Chem
www.trade-chem.com/products/MSDS/DL-Lactic%20acid.pdf
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ChinaDiamond member Hangzhou Dayangchem Co., Ltd.
Lactic acid
Tel: 86-571-88938639
Fax: 86-571-88938652
Address: B/2601 Fuli Building, 328# WenEr Rd. Hangzhou City 310012 China China
ChinaDiamond member shanghai raise chemical technology Co.,Ltd
RS chemical technology Co.,Ltd is specialized in the synthesis and sales all kinds of chemicals. We have broad experience in the synthesis of intermediates, and every year we provide hundreds of compounds to our customer..
Tel: 86-21-33847795
Fax: 021-33847795
Address: east huaxia road pudong shanghai china China
ChinaPlatinum member Dalian HongRiDongSheng Import & Export CO.,LTD
Purity:99.8% , Lactic Acid Lactic Acid is colorless transparent viscidity liquid, a little acid, guide wetly; the aqueous solution shows the Lactic Acid reaction. Can be mixed, not dissolved with water, ethanol or ether wantonly in th..
Tel: 86-411-39982338
Fax: 86-0411-39982338
Address: No 151,Tong tai street,ShaHeKou district,Dalian ci China
ChinaGold member JINAN PENGDAOCHEMICAL CO.,LTD
Specification:Food grade Item Standard Stereochemical purity (L isomer) Min 97.0% Content Min 80.0% Color, fresh Max 100Apha Sulphated ash Max 0.1% Sulphate Max 50ppm Chloride Max 20ppm Rsidue on ignition 0.1% max. Iron..
Tel: 86-311-67268458
Address: Ming street,Qiaoxi District, Shijiazhuang China
ChinaSilver member NINGBO PANGS CHEM INT'L CO.,LTD.
food grade(80%,85%,90%)
Tel: 86-574-27666845
Address: FLOOR 21 BUILDING 11 XINTIANDI NO.689,SHIJIROAD,NINGBO,CHINA China
China Hefei TNJ chem.
Purity:60%-88% , L－lactic acid Cas. No. : 50-21-5 Molecular Formula: C3H6O3 Melting point: 18°C Type: 60% powder 50% solution 80% solution 88% solution 90% solution Grade: Pharm. Grade Cosmetic Grade Food Grade Technical Grade Pack..
Tel: 86-551-5418695
Address: B911 Xincheng Business Center, Qianshan Road, Hefei Anhui China China
China LianYunGang DingYen Chemical Co.,LTD
Lactic acid is primarily found in sour milk products, such as: koumiss, leban, yogurt, kefir, and some cottage cheeses
Tel: 86-0518-83067788
Address: 46# HuaYin Building , ChaoYang west road , Xinpu District ,LianYunGang City ,Jiangsu Province China
China Tianjin Rongjia Beier Chemical Co.,Ltd.
Purity:80%, 85%, 88% , 1. Lactic Acid: 1)Assay:80%, 85%, 88% 2)Grade: Food &Feed, Pharmaceutical 3)Chricteristics: Acidity regylators, Emulsifier, Preservative 4)Certificate: ISO90001 2. Descriptions: Lactic Acid is produced by fermentati..
Tel: 86-22-58268535
Fax: 86-022-26230636
Address: 106-11,Juying Road 1, economic development zone(east), jinnan District Tianjin China
China Xingtai Yeshidi Chemicals Co.,LTD
1.Colourless or little yellow liquid 2.Purity:80-88% 3.kosher,Iso and other certification 4.Professinal product, service team THE RESULT OF INSPECTION CONFORM WITH INSPECTION RESULT CONTENT:more than80% 80.31% DENSITY: ..
Tel: 86-311-66690938
Address: No.255 Shunde North Road,Qiaodong district, China
China HangZhou Peak Chemical Co.,Ltd
Tel: +86-571-88233073
Fax: +86 571 8542 0855
Address: Rm. 3-502,Building 3 Tucuiyuan,Lakeside Garden,No.176 Wenyi West Road, HangZhou,China China
China Coco Import and Export Co., Ltd.
L(+)-Lactic Acid 88%Food Grade---FCC CAS Number 50-21-5 (general) yellowish,syrupy and hygroscopic liquid Molecular formula C3 H6 O3 Molecular weight 90.08 purity (L isomer)Min 97.0% Content Min 88.0% Color,fresh Max 15..
Tel: 086-371-67985568
Address: ZHENGZHOU CHINA China
China LianYunGang DingYe chemcial co ltd
Purity:80~90% , Items of Specification Standard Appearance Colorless or light yellow liquid ASSAY 80% ~ 90% APHA ≤150 CHLORIDE ≤0.002% SULPHATESO 4 2 0.01% IRON 0.00% ARSENIC ≤1 mg/kg HEAVY METALS ≤10 mg/kg CYANOGEN ≤5 m..
Tel: 86-0518-83067788
Fax: 86-0518-83087789
Address: NO 46 , ChaoYang west road , Xinpu District ,LianYunGang City ,Jiangsu Province,China China
China Shijiazhuang Ruiersu Import & Export Co., Ltd
food grade Lactic Acid 1.Assay:80%,85%,88% 2.Grade:Food,tech, pharmaceutical 3.certificate:ISO9001 1.Description Lactic acid, also known as milk acid, is a chemical compound that plays a role in various biochemical proc..
Tel: 86-311-89643425
Fax: 86-311-67908918
Address: Tianzijiali, Zhongshan Road, Qiaodong District China
China dingye chemical co. ltd
Purity:80%~90% , Product name :Lactic Acid (FOOD GRADE) Cas NO：50-21-5 Molecular formula : C3H6O3 Molecular Weight : 90.08 Packing : Packing:25kg per P.P bag 　 Use :Widely used in food, medicine, tobacco, printing and dyeing, textile,..
Address: China
China roc_a
Purity:E270 FCCIV , Haccp, Kosher, Hala,ISO
Tel: 86-555-55555555
Fax: 9-10-11
Address: www.guidechem.com China
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References of Lactic acid

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LD50 oral 1810mg/kg (1810mg/kg) ? Journal of Industrial Hygiene and Toxicology. Vol. 23, Pg. 259, 1941.
mouse LD50 oral 4875mg/kg (4875mg/kg) ? FAO Nutrition Meetings Report Series. Vol. 40, Pg. 144, 1967.
quail LD50 oral > 2250mg/kg (2250mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C252, 1991.
rabbit LD50 skin > 2gm/kg (2000mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C252, 1991.
rabbit LDLo oral 5gm/kg (5000mg/kg) ? Industrial and Engineering Chemistry. Vol. 15, Pg. 628, 1923.
rabbit LDLo rectal 600mg/kg (600mg/kg) ? Comptes Rendus des Seances de la Societe de Biologie et de Ses Filiales. Vol. 83, Pg. 136, 1920.
rat LD50 oral 3543mg/kg (3543mg/kg) ? Farm Chemicals Handbook. Vol. -, Pg. C252, 1991.

Safety

Hazard Codes:?IrritantXi,CorrosiveC
Risk Statements: 38-41-34?
R38: Irritating to skin.?
R41: Risk of serious damage to the eyes.?
R34: Causes burns.
Safety Statements: 26-39-45-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S39: Wear eye / face protection.?
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)?
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
RIDADR: 3265
WGK Germany: 2
RTECS: OD2800000
F: 3
HazardClass: 8
PackingGroup: III
Moderately toxic by ingestion and rectal routes. Mutation data reported. A severe skin and eye irritant. Mixtures with nitric acid + hydrofluoric acid may react vigorously and are storage hazards. When heated to decomposition it emits acrid smoke and irritating fumes.

Lactic acid CAS# 50-21-5 Related Products Information
DL-Lactic acid(cas#598-82-3;50-21-5) ; L(+)-Lactic acid(cas#79-33-4) ; DL-Lactic acid(cas#598-82-3) ; Poly(lactic acid)(cas#26100-51-6) ; Lactic acid, neodymium salt(cas#19042-19-4) ; POLY(DL-LACTIC ACID)(cas#26969-66-4) ; lactic acid, compound with ethylenediamine(cas#94133-96-7) ; dl-lactic acid sodium salt(cas#312-85-6;72-17-3) ; L(+)lactic acid hemi-zinc(cas#103404-76-8) ; L(+) LACTIC ACID, MANGANESE SALT(cas#16039-56-8) ; DL-INDOLE-3-LACTIC ACID(cas#832-97-3) ; dl-lactic acid-14C sodium(cas#2058-38-0) ; Stearic acid,ester with lactic acid,Ca salt(cas#4508-49-0) ; Lactic acid,2-benzamido-3-chloro- (5CI)(cas#872789-94-1) ; Lactic acid, D-, esterwith L-alanine (8CI)(cas#29028-25-9) ;