프탈 산
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프탈 산 속성
- 녹는점
- 210-211 °C (dec.) (lit.)
- 끓는 점
- 214.32°C (rough estimate)
- 밀도
- 1.59 g/cm3 at 15 °C
- 증기압
- 7.8 hPa (191 °C)
- 굴절률
- 1.5100 (estimate)
- 인화점
- 168 °C
- 저장 조건
- Store below +30°C.
- 용해도
- 메탄올: 0.1 g/mL, 투명
- 산도 계수 (pKa)
- 2.89(at 25℃)
- 물리적 상태
- 가루
- 색상
- 하얀색
- 수소이온지수(pH)
- 3.2(1 mM solution);2.55(10 mM solution);2(100 mM solution);
- 수용성
- 7 g/L (25 ºC)
- Merck
- 14,7371
- BRN
- 608199
- Dielectric constant
- 5.1（Ambient）
- 안정성
- 안정적인. 타기 쉬운. 강한 산화제와 호환되지 않습니다.
- InChIKey
- XNGIFLGASWRNHJ-UHFFFAOYSA-N
- LogP
- 0.73 at 20℃
- CAS 데이터베이스
- 88-99-3(CAS DataBase Reference)
안전
- 위험 및 안전 성명
- 위험 및 사전주의 사항 (GHS)
| 위험품 표기 | Xi | ||
|---|---|---|---|
| 위험 카페고리 넘버 | 36/37/38 | ||
| 안전지침서 | 26-36-37/39 | ||
| WGK 독일 | 1 | ||
| RTECS 번호 | TH9625000 | ||
| TSCA | Yes | ||
| HS 번호 | 29173980 | ||
| 유해 물질 데이터 | 88-99-3(Hazardous Substances Data) | ||
| 독성 | LD50 orally in rats: 7.9 g/kg (Shaffer) | ||
| 기존화학 물질 | KE-02188 |
프탈 산 C화학적 특성, 용도, 생산
용도
에폭시수지,경화제.개요
Phthalic acid is an aromatic dicarboxylic acid, with formula C6H4(CO2H)2. It is an isomer of isophthalic acid and terephthalic acid. Although phthalic acid is of modest commercial importance, the closely related derivative phthalic anhydride is a commodity chemical produced on a large scale.화학적 성질
PHTHALIC ACID,C6H4(COOH)2, mp 208 °C (ortho), 330 °C (meta and iso), the ortho form sublimes and the meta and iso forms decompose with heat, sp gr 1.593 (ortho). Phthalic acid is very slightly soluble in H2O, soluble in alcohol, and slightly soluble in ether. The solid form is colorless, crystalline용도
It is a dibasic acid, with pKa's of 2.89 and 5.51. The mono potassium salt, potassium hydrogen phthalate is a standard acid in analytical chemistry. Typically phthalate esters are prepared from the widely available phthalic anhydride. Reduction of phthalic acid with sodium amalgam in the presence of water gives the 1,3- cyclohexadiene derivative.생산 방법
Phthalic acid is produced by the catalytic oxidation of naphthalene directly to phthalic anhydride and a subsequent hydrolysis of the anhydride.Phthalic acid was first obtained by French chemist Auguste Laurent in 1836 by oxidizing naphthalene tetrachloride. Believing the resulting substance to be a naphthalene derivative, he named it "naphthalic acid". After the Swiss chemist Jean Charles Galissard de Marignac determined its correct formula, Laurent gave it its present name. Manufacturing methods in the nineteenth century included oxidation of naphthalene tetrachloride with nitric acid, or, better, oxidation of the hydrocarbon with fuming sulfuric acid, using mercury or mercury(II) sulfate as a catalyst.
정의
phthalic acid: colourlesscrystalline dicarboxylic acid,C6H4(COOH)2; r.d. 1.6; m.p. 207°C.The two –COOH groups are substitutedon adjacent carbon atoms ofthe ring, the technical name beingbenzene-1,2-dicarboxylic acid. Theacid is made from phthalic anhydride(benzene-1,2-dicarboxylic anhydride,C8H4O3), which is made by the catalyticoxidation of naphthalene. Theanhydride is used in making plasticizersand polyester resins.일반 설명
White crystals or fine white powder.공기와 물의 반응
Insoluble in water.반응 프로필
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. .화재위험
Phthalic acid is combustible.Safety Profile
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.Safety
The toxicity of phthalic acid is low with LD50 (mouse) of 550 mg/kg. However, many phthalate esters have been implicated as endocrine disruptors.Purification Methods
Crystallise phthalic acid from water. [Beilstein 9 IV 3167.]프탈 산 준비 용품 및 원자재
원자재
준비 용품
1,2-벤젠다이카보나이트릴
complex polystyrene high efficiency anticorrosion paint
옥센도론
MERBROMIN
(4S)-HYDROXY-3-METHYL-2-(2-PROPENYL)-2-CYCLOPENTENE-1-ONE
포스멧
디옥틸 프탈레이트
벤조산
디(2-에틸헥실)프탈레이트
cis-1,2-Diaminocyclohexane
테트라메트린
다이메틸 프탈레이트
4-아미노피리딘
Methyl 2-bromobenzoate
프탈산디알릴모노머
디펜틸 프탈산염
2'',7''-디클로로플르오르엑세인
C.I. Sulphur Brown 2 (8CI)
프탈 산 공급 업체
글로벌( 506)공급 업체
| 공급자 | 전화 | 이메일 | 국가 | 제품 수 | 이점 |
|---|---|---|---|---|---|
| Anhui Ruihan Technology Co., Ltd | +8617756083858 |
daisy@anhuiruihan.com | China | 994 | 58 |
| airuikechemical co., ltd. | +undefined86-15315557071 |
sales02@airuikechemical.com | China | 994 | 58 |
| Capot Chemical Co.,Ltd. | 571-85586718 +8613336195806 |
sales@capotchem.com | China | 29797 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-371-66670886 |
info@dakenam.com | China | 15371 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 |
info@tianfuchem.com | China | 21695 | 55 |
| Hefei TNJ Chemical Industry Co.,Ltd. | +86-0551-65418679 +86-18949832763 |
info@tnjchem.com | China | 2989 | 55 |
| Shanghai Zheyan Biotech Co., Ltd. | 18017610038 |
zheyansh@163.com | CHINA | 3620 | 58 |
| career henan chemical co | +86-0371-86658258 |
sales@coreychem.com | China | 29914 | 58 |
| Hubei Jusheng Technology Co.,Ltd. | 18871490254 |
linda@hubeijusheng.com | CHINA | 28180 | 58 |
| HubeiwidelychemicaltechnologyCo.,Ltd | 18627774460 |
faith@widelychemical.com | CHINA | 742 | 58 |