RARECHEM AL BO 0424
Pentadecafluorooctanoic acid
CAS: 335-67-1
Molecular Formula: C8HF15O2
RARECHEM AL BO 0424 - Names and Identifiers
RARECHEM AL BO 0424 - Physico-chemical Properties
| Molecular Formula | C8HF15O2 |
| Molar Mass | 414.07 |
| Density | 1,7 g/cm3 |
| Melting Point | 55-56 °C (lit.) |
| Boling Point | 189 °C/736 mmHg (lit.) |
| Flash Point | 189-192°C |
| Water Solubility | 3.4 g/L |
| Solubility | 3.4g/l |
| Vapor Presure | 0.155mmHg at 25°C |
| Appearance | Crystalline Powder |
| Specific Gravity | 1.7 |
| Color | White |
| BRN | 1809678 |
| pKa | 0.50±0.10(Predicted) |
| PH | 2.6 (1g/l, H2O, 20℃) |
| Storage Condition | 2-8°C |
| Stability | Stable. Incompatible with bases, oxidizing agents, reducing agents. |
| Sensitive | Sensitive to light |
| Refractive Index | 1.387 |
| MDL | MFCD00004174 |
| Physical and Chemical Properties | Melting point 55-60°C boiling point 189-192°C water-soluble 3.4g/L |
| Use | Used as CTFE, TFE and fluorine rubber polymerization dispersant |
RARECHEM AL BO 0424 - Risk and Safety
| Risk Codes | R22 - Harmful if swallowed R34 - Causes burns R52/53 - Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R39/23/24/25 - R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R11 - Highly Flammable |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37 - Wear suitable protective clothing and gloves. S16 - Keep away from sources of ignition. S7 - Keep container tightly closed. |
| UN IDs | UN 3261 8/PG 3 |
| WGK Germany | 2 |
| RTECS | RH0781000 |
| TSCA | T |
| HS Code | 29159080 |
| Hazard Note | Corrosive |
| Hazard Class | 8 |
| Packing Group | III |
| Toxicity | dnd-esc 50 mmol MUREAV 89,95,81 |
RARECHEM AL BO 0424 - Upstream Downstream Industry
| Raw Materials | Octanoyl chloride |
| Downstream Products | poly(vinylidene fluoride) |
RARECHEM AL BO 0424 - Nature
Open Data Verified Data
white crystals. Boiling point 189~191 deg C. The surface tension of the 0.1% solution was 19mN/m. The solubility in water at 32 ℃ is 0. 01~0.023mol/L. Strongly acidic.
Last Update：2025-06-10 22:55:16
RARECHEM AL BO 0424 - Preparation Method
Open Data Verified Data
put the raw material octanoyl chloride (purity 99.5%), hydrogen fluoride and a small amount of n-butyl sulfuric acid into the electrolytic cell, turn on electricity (voltage 5~8V) at 20~25 ℃, and neutralize the electrolytic product with alkali, then acid acidification, distillation, that is, perfluorooctanoic acid.
Last Update：2022-01-01 10:31:45
RARECHEM AL BO 0424 - Introduction
Perfluorooctanoic acid (FF61) is a perfluorocarbon monocarboxylic acid, which is a strong organic acid with low surface tension and high surface activity.
Last Update：2022-10-16 17:24:42
RARECHEM AL BO 0424 - Application
Open Data Verified Data
mainly used as surfactant, emulsifier. Perfluorooctanoic acid and its sodium or ammonium salts are used as dispersants in tetrafluoroethylene polymerization and Fluororubber production.
Last Update：2025-08-19 16:24:40
RARECHEM AL BO 0424 - Safety
Open Data Verified Data
- This product is strongly acidic, and its vapor irritates the skin, eyes and mucous membranes. When heated to 250 ℃, it can release toxic gas. The production equipment should be closed, the workshop should be well ventilated, and the operator should wear protective equipment.
- should be stored in glass or corrosion-resistant alloy stainless steel and aluminum containers, tightly sealed. Store in a cool, dry, ventilated warehouse. Away from heat, sun protection, moisture.
Last Update：2025-06-10 22:55:16
RARECHEM AL BO 0424 - Reference Information
| (IARC) carcinogen classification | 2B (Vol. 110) 2017 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| introduction | the C- F bond bond in perfluorooctanoic acid can be very large (486KJ/mol), which is very stable and is one of the chemical bonds that are difficult to destroy in nature. Strong acid, strong alkali, high temperature, and strong oxidant cannot break it. |
| relevant regulations | on June 15, 2020, the EU issued a revised directive (EU) 2020/784 in its official gazette, amending annex I of the EU's new persistent organic pollutants regulation (EU) 2019/1021, adding the requirements for perfluorooctanoic acid (PFOA), its salts and related substances, which will enter into force on July 4, 2020. In addition, the European Commission plans to remove PFOA and its salts and related substances from the list of substances restricted by REACH regulations. |
| toxicity | 1. liver toxicity: PFOA is not easy to combine with oil due to its structural characteristics. It is mainly combined with protein and enriched in liver and blood. It can reduce the activity of antioxidant enzymes and cause damage to the liver. 0.1 g/kg PFOA was injected into the abdominal cavity of mice, and the liver would enlarge after 3 days. 2. Reproductive and developmental toxicity: PFOA will destroy the animal's reproductive system, causing a series of problems such as gonad atrophy, decreased egg laying rate, and delayed offspring development. 3. Other damages: inhibit the immune system, affect mitochondrial metabolism, change gene expression, interfere with enzyme activity, destroy cell membrane structure, change thyroid function, etc. |
| use | used as dispersant for CTFE, TFE and fluororubber polymerization mainly used as surfactant, emulsifier, perfluorooctanoic acid and its sodium salt or ammonium salt used as dispersant in tetrafluoroethylene polymerization and fluororubber production, and also used as raw material and concentrator for preparation of water increasing and oil repellent. It is used as a high-efficiency surfactant, dispersant, additive, etc. Perfluorooctanoic acid and its derivatives, as important organic intermediates, can be used to synthesize fluorine-containing water-repellent oil-repellent, leather finishing agent and other products. |
| production method | put the raw material octanoyl chloride (purity 99.5%), hydrogen fluoride and a small amount of n-butyl sulfuric acid into an electrolytic cell, energize at 20-25 ℃ (voltage 5-8V), neutralize the electrolytic product with alkali, then acidize and distill to obtain perfluorooctanoic acid. Raw material consumption quota: octanoyl chloride 6000-8000kg/t, Tianshui hydrogen fluoride 12000kg/t, sulfuric acid 1500kg/t, sodium hydroxide 1500kg/t. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 02:00:08
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Raw Materials for RARECHEM AL BO 0424
Downstream Products for RARECHEM AL BO 0424