羟基乙叉二膦酸（CAS 2809-21-4）：分子式 C2H8O7P2、分子量 206.03；类别 特种化学品。
| CAS号 | 2809-21-4 |
|---|---|
| 分子式 | C2H8O7P2 |
| 分子量 | 206.03 |
| 熔点 | 198-199 |
| 沸点 | 578.8 |
| LogP | -3.8 |
| 应用领域 | Uses: CIR ingredient: Etidronic Acid、Used as a sequestering and chelating agent、as a scale and corrosion inhibitor、as a bone resorptions inhibitor、[Merck Index]、MEDICATION、MEDICATION (VET)、Use (kg、approx.) in Germany (2009): >1000、Consumption (g per capita、approx.) in Germany (2009): 0.0122、Excretion rate: 1、Calculated removal (%): 22、For the treatment of symptomatic Paget's disease of bone and in the prevention and treatment of heterotopic ossification following total hip replacement or due to spinal cord injury.、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Fragrance Ingredients、Food Additives -> SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Chelating、Industry Uses: Processing aids not otherwise specified、Other、Lubricating agent、Chelating agent、Anti-scaling agent、Deflocculant、Dye、Brightener、Preservative、Stabilizing agent、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Anti-stain agent、Consumer Uses: Chelating agent、Flocculating agent、Binder、Household Products: Information on 1 consumer products that contain Etidronic Acid in the following categories is provided:、• Auto Products、Information on 253 consumer products that contain Etidronic acid in the following categories is provided:、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Landscaping、Yard、• Personal Care、• Pet Care、Methods of Manufacturing: PASSAGE OF GASEOUS PHOSPHORUS TRICHLORIDE INTO ACETIC ACID、REACTION OF GASEOUS PHOSPHORUS TRICHLORIDE & ACETIC ACID IN A LOWER ALIPHATIC TERTIARY AMINE、EG、TRIBUTYLAMINE、REACTION OF AN ANHYDROUS MIXTURE OF PHOSPHOROUS ACID、ACETIC ANHYDRIDE、& ACETIC ACID、U.S. Production: 2023: 7、000、000 - <8、500、000 lb、2022: 10、000 - <25、2021: 10、2020: 10、(1979) PROBABLY GREATER THAN 2.27X10+6 GRAMS、(1981) PROBABLY GREATER THAN 2.27X10+6 GRAMS、U.S. Imports: (1979) No Data、(1981) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Utilities、Pharmaceutical and Medicine Manufacturing、Computer and Electronic Product Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Primary Metal Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Textiles、apparel、and leather manufacturing、All Other Basic Organic Chemical Manufacturing、Asphalt Paving、Roofing、and Coating Materials Manufacturing、Paper Manufacturing、Wood Product Manufacturing、Miscellaneous Manufacturing、Phosphonic acid、P、P'-(1-hydroxyethylidene)bis-: ACTIVE、WAVE-SETTING HAIR PREPARATIONS ARE PREPARED BY COMBINING L-CYSTEINE WITH 1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、CORROSION SCALE PREVENTION IN COOLING WATER TREATMENT BY ORGANOPHOSPHATES.、1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID IS USED IN HAIRSETTING PREPARATIONS. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、1-HYDROXYETHYLDIPHOSPHONATE INCREASED BOVINE TOOTH ENAMEL ION-SELECTIVITY、THE EFFECT WAS RELATED TO THE NUMBER OF PHOSPHATE GROUPS & WAS GREATER WITH THE ORGANIC THAN INORGANIC PHOSPHATES. |
| 类别 | 水处理化学品 |
登记用途：Uses: CIR ingredient: Etidronic Acid、Used as a sequestering and chelating agent、as a scale and corrosion inhibitor、as a bone resorptions inhibitor、[Merck Index]、MEDICATION、MEDICATION (VET)、Use (kg、approx.) in Germany (2009): >1000、Consumption (g per capita、approx.) in Germany (2009): 0.0122、Excretion rate: 1、Calculated removal (%): 22、For the treatment of symptomatic Paget's disease of bone and in the prevention and treatment of heterotopic ossification following total hip replacement or due to spinal cord injury.、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Fragrance Ingredients、Food Additives -> SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Chelating、Industry Uses: Processing aids not otherwise specified、Other、Lubricating agent、Chelating agent、Anti-scaling agent、Deflocculant、Dye、Brightener、Preservative、Stabilizing agent、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Anti-stain agent、Consumer Uses: Chelating agent、Flocculating agent、Binder、Household Products: Information on 1 consumer products that contain Etidronic Acid in the following categories is provided:、• Auto Products、Information on 253 consumer products that contain Etidronic acid in the following categories is provided:、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Landscaping、Yard、• Personal Care、• Pet Care、Methods of Manufacturing: PASSAGE OF GASEOUS PHOSPHORUS TRICHLORIDE INTO ACETIC ACID、REACTION OF GASEOUS PHOSPHORUS TRICHLORIDE & ACETIC ACID IN A LOWER ALIPHATIC TERTIARY AMINE、EG、TRIBUTYLAMINE、REACTION OF AN ANHYDROUS MIXTURE OF PHOSPHOROUS ACID、ACETIC ANHYDRIDE、& ACETIC ACID、U.S. Production: 2023: 7、000、000 - <8、500、000 lb、2022: 10、000 - <25、2021: 10、2020: 10、(1979) PROBABLY GREATER THAN 2.27X10+6 GRAMS、(1981) PROBABLY GREATER THAN 2.27X10+6 GRAMS、U.S. Imports: (1979) No Data、(1981) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Utilities、Pharmaceutical and Medicine Manufacturing、Computer and Electronic Product Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Primary Metal Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Textiles、apparel、and leather manufacturing、All Other Basic Organic Chemical Manufacturing、Asphalt Paving、Roofing、and Coating Materials Manufacturing、Paper Manufacturing、Wood Product Manufacturing、Miscellaneous Manufacturing、Phosphonic acid、P、P'-(1-hydroxyethylidene)bis-: ACTIVE、WAVE-SETTING HAIR PREPARATIONS ARE PREPARED BY COMBINING L-CYSTEINE WITH 1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、CORROSION SCALE PREVENTION IN COOLING WATER TREATMENT BY ORGANOPHOSPHATES.、1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID IS USED IN HAIRSETTING PREPARATIONS. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、1-HYDROXYETHYLDIPHOSPHONATE INCREASED BOVINE TOOTH ENAMEL ION-SELECTIVITY、THE EFFECT WAS RELATED TO THE NUMBER OF PHOSPHATE GROUPS & WAS GREATER WITH THE ORGANIC THAN INORGANIC PHOSPHATES.。
羟基乙叉二膦酸 是一种特种功能化合物，登记 CAS 号为 2809-21-4，分子式 C2H8O7P2（分子量 206.03），归属于特种化学品大类化工原料。
登记 CAS 号：2809-21-4
其分子式 C2H8O7P2 由 2 个碳、8 个氢、7 个氧、2 个磷 组成。
别名/同义词：羟基乙叉二膦酸 · 1-Hydroxyethylidene-1,1-diphosphonic acid
所属分类：特种化学品
羟基乙叉二膦酸 的 CAS 登记号为 2809-21-4。
分子式 C2H8O7P2，分子量 206.03。
别名/同义词：羟基乙叉二膦酸、1-Hydroxyethylidene-1,1-diphosphonic acid。
登记用途：Uses: CIR ingredient: Etidronic Acid、Used as a sequestering and chelating agent、as a scale and corrosion inhibitor、as a bone resorptions inhibitor、[Merck Index]、MEDICATION、MEDICATION (VET)、Use (kg、approx.) in Germany (2009): >1000、Consumption (g per capita、approx.) in Germany (2009): 0.0122、Excretion rate: 1、Calculated removal (%): 22、For the treatment of symptomatic Paget's disease of bone and in the prevention and treatment of heterotopic ossification following total hip replacement or due to spinal cord injury.、Use Classification: EPA Safer Chemical Functional Use Classes -> Oxidants and Oxidant Stabilizers、Safer Chemical Classes -> Yellow triangle - The chemical has met Safer Choice Criteria for its functional ingredient-class、but has some hazard profile issues、Fragrance Ingredients、Food Additives -> SEQUESTRANT -> JECFA Functional Classes、Cosmetics -> Chelating、Industry Uses: Processing aids not otherwise specified、Other、Lubricating agent、Chelating agent、Anti-scaling agent、Deflocculant、Dye、Brightener、Preservative、Stabilizing agent、Corrosion inhibitor、Not Known or Reasonably Ascertainable、Anti-stain agent、Consumer Uses: Chelating agent、Flocculating agent、Binder、Household Products: Information on 1 consumer products that contain Etidronic Acid in the following categories is provided:、• Auto Products、Information on 253 consumer products that contain Etidronic acid in the following categories is provided:、• Commercial、Institutional、• Home Maintenance、• Inside the Home、• Landscaping、Yard、• Personal Care、• Pet Care、Methods of Manufacturing: PASSAGE OF GASEOUS PHOSPHORUS TRICHLORIDE INTO ACETIC ACID、REACTION OF GASEOUS PHOSPHORUS TRICHLORIDE & ACETIC ACID IN A LOWER ALIPHATIC TERTIARY AMINE、EG、TRIBUTYLAMINE、REACTION OF AN ANHYDROUS MIXTURE OF PHOSPHOROUS ACID、ACETIC ANHYDRIDE、& ACETIC ACID、U.S. Production: 2023: 7、000、000 - <8、500、000 lb、2022: 10、000 - <25、2021: 10、2020: 10、(1979) PROBABLY GREATER THAN 2.27X10+6 GRAMS、(1981) PROBABLY GREATER THAN 2.27X10+6 GRAMS、U.S. Imports: (1979) No Data、(1981) No Data、U.S. Exports: (1979) No Data、General Manufacturing Information: Utilities、Pharmaceutical and Medicine Manufacturing、Computer and Electronic Product Manufacturing、Soap、Cleaning Compound、and Toilet Preparation Manufacturing、Primary Metal Manufacturing、Petroleum Lubricating Oil and Grease Manufacturing、Oil and Gas Drilling、Extraction、and Support activities、All Other Chemical Product and Preparation Manufacturing、Other (requires additional information)、Textiles、apparel、and leather manufacturing、All Other Basic Organic Chemical Manufacturing、Asphalt Paving、Roofing、and Coating Materials Manufacturing、Paper Manufacturing、Wood Product Manufacturing、Miscellaneous Manufacturing、Phosphonic acid、P、P'-(1-hydroxyethylidene)bis-: ACTIVE、WAVE-SETTING HAIR PREPARATIONS ARE PREPARED BY COMBINING L-CYSTEINE WITH 1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、CORROSION SCALE PREVENTION IN COOLING WATER TREATMENT BY ORGANOPHOSPHATES.、1-HYDROXYETHANE-1、1-DIPHOSPHONIC ACID IS USED IN HAIRSETTING PREPARATIONS. THE CHELATING AGENT PREVENTS FORMATION OF DANDRUFF.、1-HYDROXYETHYLDIPHOSPHONATE INCREASED BOVINE TOOTH ENAMEL ION-SELECTIVITY、THE EFFECT WAS RELATED TO THE NUMBER OF PHOSPHATE GROUPS & WAS GREATER WITH THE ORGANIC THAN INORGANIC PHOSPHATES.。
所属分类：水处理化学品。
羟基乙叉二膦酸（CAS 2809-21-4）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 2809-21-4 |
|---|---|
| PubChem CID | 3305 |
| Molecular formula | C2H8O7P2 |
| Molecular weight | 205.97 g/mol |
| IUPAC name | (1-hydroxy-1-phosphonoethyl)phosphonic acid |
| InChIKey | DBVJJBKOTRCVKF-UHFFFAOYSA-N |
| UNII (FDA) | M2F465ROXU |
| ChEBI ID | CHEBI:4907 |
| ATC code (WHO) | M05BA01 |
| Molecular Weight | 206.03 |
|---|---|
| XLogP3 | -3.7 |
| Hydrogen Bond Donor Count | 5 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 2 |
| Exact Mass | 205.97452659 |
| Monoisotopic Mass | 205.97452659 |
| Topological Polar Surface Area | 135 |
| Heavy Atom Count | 11 |
| Boiling Point | 578.8 |
|---|---|
| Melting Point | 198-199 |
| Melting Point | 105 °C |
| Solubility | 1.15e+01 g/L |
| LogP | -3.8 |
Etidronic acid; 2809-21-4; HEDP; 1-Hydroxyethylidene-1,1-diphosphonic acid; EHDP; Etidronsaeure; Turpinal SL; Acetodiphosphonic acid; Hydroxyethanediphosphonic acid; Acido etidronico; Acide etidronique; Oxyethylidenediphosphonic acid; Dequest 2015; Dequest Z 010; Ferrofos 510; Dequest 2010
| Regulatory & Food Contact | FDA Substance added to food: BOILER WATER ADDITIVE FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS SEQUESTRANT: Food Additives HEDP does not pose a safety concern at the levels of residue that are expected to remain on foods at the time TRS 928-JECFA 63/26 |
|---|---|
| GHS notification summary | 1.6% (35 / 2257) |
| GHS notification summary | 1.6% (35 / 2257) |
|---|---|
| Reported hazard statements | H290 (34.6%), H302 (55.6%), H314 (23.9%), H318 (92.2%), H413 (25.7%), H371 |
This chemical does not meet GHS hazard criteria for 1.6% (35 of 2257) of reports.
H290 (34.6%): May be corrosive to metals [Warning Corrosive to Metals]
1-Hydroxyethylidene-1,1-diphosphonic acid is identified by CAS 2809-21-4, molecular formula C2H8O7P2 and molecular weight 205.97 g/mol. UNII M2F465ROXU; ChEBI 4907; InChIKey DBVJJBKOTRCVKF-UHFFFAOYSA-N. Boiling Point: 578.8; Melting Point: 198-199; Melting Point: 105 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: 1-Hydroxyethylidene-1,1-diphosphonic acid