L-乳酸（CAS 79-33-4）：分子式 C3H6O3、分子量 90.08。
L-Lactic Acid（CAS 79-33-4） 属于 Food Additives 类别，作为常用化工原料在对应应用领域稳定供应。济南圣和化工有限公司（Jinan Shenghe Chemical Co., Ltd.）长期批量供应 L-Lactic Acid，每批随货提供 COA 与分析证书，支持按订单定制纯度与包装规格。 典型归类：Food Additives。
| CAS号 | 79-33-4 |
|---|---|
| 分子式 | C3H6O3 |
| 分子量 | 90.08 |
| 熔点 | 16.8 °C |
| LogP | -0.7 |
| 应用领域 | Uses: Occurs naturally in mammals--concentration increases in serum and muscle following exercise、[Merck Index] Used in the agricultural、leather processing、pharmaceuticals、and cosmetics industries、Used as an electroplating agent、food、feed additive、pH regulator、cleaning、washing agent、disinfectant、and tanning agent、[IUCLID] Used to flavor animal feeds、[ExPub: EFSA - FEEDAP] Used as a solvent and intermediate in chemical production、as a pH regulator in fabric finishing、and in paints、coatings、soaps、and cleaning products、[EPA ChAMP: Hazard Characterization] Used to make large scale and fine chemicals、pulp-paper-paper products、food products、and plastic products、in mining、health services、agriculture-forestry-fishing、and building and construction work、[ExPub: ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Pulp and Paper Processing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Mining [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Farming (Feed Additives) [Category: Industry]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: EPA Safer Chemical Functional Use Classes -> Antimicrobial Actives、Chelating Agents、Preservatives and Antioxidants、Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Fragrance Ingredients、Industry Uses: Cleaning agent、Not Known or Reasonably Ascertainable、Preservative、Intermediate、Processing aids not otherwise specified、pH regulating agent、Consumer Uses: Processing aids not otherwise specified、Cleaning agent、Household Products: Information on 84 consumer products that contain Propanoic acid、2-hydroxy-、(2S)- in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pet Care、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 4、000 - <5、2021: 5、000 - <7、2020: 2、000 - <4、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Pharmaceutical and Medicine Manufacturing、Textiles、apparel、and leather manufacturing、Food、beverage、and tobacco product manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Propanoic acid、(2S)-: ACTIVE |
登记用途：Uses: Occurs naturally in mammals--concentration increases in serum and muscle following exercise、[Merck Index] Used in the agricultural、leather processing、pharmaceuticals、and cosmetics industries、Used as an electroplating agent、food、feed additive、pH regulator、cleaning、washing agent、disinfectant、and tanning agent、[IUCLID] Used to flavor animal feeds、[ExPub: EFSA - FEEDAP] Used as a solvent and intermediate in chemical production、as a pH regulator in fabric finishing、and in paints、coatings、soaps、and cleaning products、[EPA ChAMP: Hazard Characterization] Used to make large scale and fine chemicals、pulp-paper-paper products、food products、and plastic products、in mining、health services、agriculture-forestry-fishing、and building and construction work、[ExPub: ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Pulp and Paper Processing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Mining [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Farming (Feed Additives) [Category: Industry]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: EPA Safer Chemical Functional Use Classes -> Antimicrobial Actives、Chelating Agents、Preservatives and Antioxidants、Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Fragrance Ingredients、Industry Uses: Cleaning agent、Not Known or Reasonably Ascertainable、Preservative、Intermediate、Processing aids not otherwise specified、pH regulating agent、Consumer Uses: Processing aids not otherwise specified、Cleaning agent、Household Products: Information on 84 consumer products that contain Propanoic acid、2-hydroxy-、(2S)- in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pet Care、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 4、000 - <5、2021: 5、000 - <7、2020: 2、000 - <4、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Pharmaceutical and Medicine Manufacturing、Textiles、apparel、and leather manufacturing、Food、beverage、and tobacco product manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Propanoic acid、(2S)-: ACTIVE。
L-乳酸 是一种化工化合物，登记 CAS 号为 79-33-4，分子式 C3H6O3（分子量 90.08）。
登记 CAS 号：79-33-4
其分子式 C3H6O3 由 3 个碳、6 个氢、3 个氧 组成。
别名/同义词：L-乳酸 · L-Lactic Acid
L-乳酸 的 CAS 登记号为 79-33-4。
分子式 C3H6O3，分子量 90.08。
别名/同义词：L-乳酸、L-Lactic Acid。
登记用途：Uses: Occurs naturally in mammals--concentration increases in serum and muscle following exercise、[Merck Index] Used in the agricultural、leather processing、pharmaceuticals、and cosmetics industries、Used as an electroplating agent、food、feed additive、pH regulator、cleaning、washing agent、disinfectant、and tanning agent、[IUCLID] Used to flavor animal feeds、[ExPub: EFSA - FEEDAP] Used as a solvent and intermediate in chemical production、as a pH regulator in fabric finishing、and in paints、coatings、soaps、and cleaning products、[EPA ChAMP: Hazard Characterization] Used to make large scale and fine chemicals、pulp-paper-paper products、food products、and plastic products、in mining、health services、agriculture-forestry-fishing、and building and construction work、[ExPub: ECHA REACH Registrations] Permitted for use as an inert ingredient in non-food pesticide products、[EPA]、Electroplating [Category: Plate]、Pulp and Paper Processing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Mining [Category: Industry]、Leather Tanning and Processing [Category: Industry]、Textiles (Printing、Dyeing、or Finishing) [Category: Industry]、Farming (Feed Additives) [Category: Industry]、This is an endogenously produced metabolite found in the human body. It is used in metabolic reactions、catabolic reactions or waste generation.、Use Classification: EPA Safer Chemical Functional Use Classes -> Antimicrobial Actives、Chelating Agents、Preservatives and Antioxidants、Processing Aids and Additives、Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern、Fragrance Ingredients、Industry Uses: Cleaning agent、Not Known or Reasonably Ascertainable、Preservative、Intermediate、Processing aids not otherwise specified、pH regulating agent、Consumer Uses: Processing aids not otherwise specified、Cleaning agent、Household Products: Information on 84 consumer products that contain Propanoic acid、2-hydroxy-、(2S)- in the following categories is provided:、• Auto Products、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Personal Care、• Pet Care、U.S. Production: 2023: 1、000、000 - <2、500、000 lb、2022: 4、000 - <5、2021: 5、000 - <7、2020: 2、000 - <4、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Pharmaceutical and Medicine Manufacturing、Textiles、apparel、and leather manufacturing、Food、beverage、and tobacco product manufacturing、All Other Chemical Product and Preparation Manufacturing、Fabricated Metal Product Manufacturing、Propanoic acid、(2S)-: ACTIVE。
L-乳酸（CAS 79-33-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 79-33-4 |
|---|---|
| PubChem CID | 107689 |
| Molecular formula | C3H6O3 |
| IUPAC name | (2S)-2-hydroxypropanoic acid |
| UNII (FDA) | F9S9FFU82N |
| Molecular Weight | 90.08 |
|---|---|
| XLogP3 | -0.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 1 |
| Exact Mass | 90.031694049 |
| Monoisotopic Mass | 90.031694049 |
| Topological Polar Surface Area | 57.5 |
| Heavy Atom Count | 6 |
| Melting Point | 16.8 °C |
|---|---|
| Dissociation Constants | 3.861 |
L-Lactic acid; 79-33-4; L-(+)-Lactic acid; (S)-Lactic acid; (S)-2-Hydroxypropanoic acid; (2S)-2-hydroxypropanoic acid; Sarcolactic acid; (S)-2-Hydroxypropionic acid; (+)-Lactic acid; Paralactic acid; (S)-(+)-Lactic acid; Lactic acid, L-; Tisulac; Propanoic acid, 2-hydroxy-, (2S)-; Sarcolacticum acidum; L-(+)-alpha-Hydroxypropionic acid
| GHS notification summary | 0.1% (1 / 1219) |
|---|
| GHS notification summary | 0.1% (1 / 1219) |
|---|---|
| Reported hazard statements | H314, H318, H315 (63.9%) |
H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
L-Lactic Acid · CAS 79-33-4 · C3H6O3. UNII F9S9FFU82N. Melting Point: 16.8 °C; Dissociation Constants: 3.861.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: L-Lactic Acid