Phthalic Acid CAS 88-99-3 Purity ≥99.5%(GC) Factory
Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer of Phthalic Acid (CAS: 88-99-3) with high quality. Ruifu Chemical can provide worldwide delivery, competitive price, excellent service, small and bulk quantities available. Purchase Phthalic Acid, Please contact: alvin@ruifuchem.com
| Chemical Name | Phthalic Acid |
| Synonyms | Benzene-1,2-Dicarboxylic Acid; 1,2-Benzenedicarboxylic Acid; o-Benzenedicarboxylic Acid; o-Carboxybenzoic Acid; o-Dicarboxybenzene; o-Phthalic Acid |
| Stock Status | In Stock, Commercial Production |
| CAS Number | 88-99-3 |
| Molecular Formula | C8H6O4 |
| Molecular Weight | 166.13 g/mol |
| Melting Point | 205.0~211.0℃(dec.) (lit.) |
| Flash Point | 168℃(334°F) |
| Density | 1.59 g/cm3 at 15℃ |
| Water Solubility | Practically Insoluble in Water, 5.7 g/l 20℃ |
| Solubility in Methanol | Almost Transparency |
| Solubility | Soluble in Ethanol, Methanol. Very Slightly Ether. Insoluble in Chloroform |
| Stability | Stable. Combustible. Incompatible with Strong Oxidizing Agents. |
| COA & MSDS | Available |
| Sample | Available |
| Origin | Shanghai, China |
| Brand | Ruifu Chemical |
| Items | Specifications | Results |
| Appearance | White Powder or Crystals | Complies |
| Melting Point | 205.0~211.0℃ | 205.5℃ |
| Water by Karl Fischer | ≤0.50% | 0.16% |
| Residue on Ignition | ≤0.02% | <0.02% |
| Insoluble Matter | ≤0.05% (4% in10% Na2CO3) | <0.05% |
| Chloride (Cl-) | ≤0.001% | <0.001% |
| Nitrate (NO3-) | ≤0.005% | <0.005% |
| Sulfate (SO42-) | ≤0.005% | <0.005% |
| Iron (Fe) | ≤0.001% | <0.001% |
| Heavy Metals (as Pb) | ≤0.001% | <0.001% |
| Purity / Analysis Method | ≥99.5%(GC) | 99.92% |
| Infrared Spectrum | Consistent with Structure | Complies |
| 1H NMR Spectrum | Consistent with Structure | Complies |
| Conclusion | The product has been tested and complies with the given specifications | |
Package: Bottle, Aluminium foil bag, 25kg/Bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture. Incompatible with strong oxidizing agents.
Shipping: Deliver to worldwide by air, by FedEx / DHL Express. Provide fast and reliable delivery.
How to Purchase? Please contact Dr. Alvin Huang: sales@ruifuchem.com or alvin@ruifuchem.com
15 Years Experience? We have more than 15 years of experience in the manufacture and export of a wide range of high quality pharmaceutical intermediates or fine chemicals.
Main Markets? Sell to domestic market, North America, Europe, India, Korea, Japanese, Australia, etc.
Advantages? Superior quality, affordable price, professional services and technical support, fast delivery.
Quality Assurance? Strict quality control system. Professional equipment for analysis include NMR, LC-MS, GC, HPLC, ICP-MS, UV, IR, OR, K.F, ROI, LOD, MP, Clarity, Solubility, Microbial limit test, etc.
Samples? Most products provide free samples for quality evaluation, shipping cost should be paid by customers.
Factory Audit? Factory audit welcome. Please make an appointment in advance.
MOQ? No MOQ. Small order is acceptable.
Delivery Time? If within stock, three days delivery guaranteed.
Transportation? By Express (FedEx, DHL), by Air, by Sea.
Documents? After sales service: COA, MOA, ROS, MSDS, etc. can be provided.
Custom Synthesis? Can provide custom synthesis services to best fit your research needs.
Payment Terms? Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T (Telex Transfer), PayPal, Western Union, etc.
Hazard Symbols Xi - Irritant
Risk Codes
36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S37/39 - Wear suitable gloves and eye/face protection
WGK Germany 1
RTECS TH9625000
TSCA Yes
HS Code 2917399090
Toxicity LD50 orally in rats: 7.9 g/kg (Shaffer)
Phthalic Acid (CAS: 88-99-3) is used in the manufacture of dyes, polyester resins, polyester, drugs and plasticizers. Organic Synthesis.
Phthalic Acid is an organic reagent used to synthesize phthalates.
Used as chemical reagents and Chromatographic Reagents.
The standard solution was prepared and used as the standard for the alkali method. Test cobalt, copper, germanium, mercury, nickel, potassium, strontium and zinc, determination of cobalt, iodate and lead.
Phthalic Acid can be used for the synthesis of synthetic agents, such as Isophthalic Acid (IPA), and Terephthalic Acid (TPA). Phthalic Acid has applications in the preparation of phthalate ester plasticizers.
Phthalic Acid is a carboxylic acid. Phthalic Acid is sensitive to exposure to extreme heat. Phthalic Acid reacts violently with nitric acid. Phthalic Acid is incompatible with sodium nitrite. Phthalic Acid is also incompatible with oxidizers.
Moderately toxic by ingestion and intraperitoneal routes. A skin and mucous membrane irritant. Combustible when heated. In the form of dust (anhydride) it can explode. Mixtures with sodmm nitrite explode when heated. Violent reaction with HNO3. When heated to decomposition it emits acrid smoke and irritating fumes. Used in synthesis of dyes and dyestuffs, in medcines and perfumes.
Phthalic Acid is one of three isomers of benzene dicarboxylic acid, the others being iso phthalic acid and terephthalic acid. Sometimes the term "phthalic acids" is used to refer to this family of isomers, but in the singular, "Phthalic Acid", refers exclusively to the ortho- isomer.
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