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ethanol

2022-03-02 307

Common nameAnhydrous alcohol.Molecular formulaCtwoHfiveO. Indicative formula: ChthreeCHtwoOH. Molecular weight: four6.0seven

[Nature]Colorless, transparent, flammable and volatile liquid. It has the smell of wine and pungent spicy taste. density(two0℃) 為0.seventy-eight9、沸點(diǎn)seventy-eight.three℃、閃點(diǎn)onetwo. 8℃、自燃溫度f(wàn)ourfourtwo.8℃。能溶解許多有機(jī)化合物和若干無(wú)機(jī)化合物。有吸濕性, 能與水形成共沸混合物。ethanolSteam mixes with air to form an explosive mixture, 爆炸極限three.fiveone8.0% (volume).

[purpose]ethanol是重要的基礎(chǔ)化工原料之一,alsoIt is an important organic solvent. withethanol為原料的化工產(chǎn)品有數(shù)百種。 It is widely used in the production of organic chemical, pesticide, medicine, rubber, plastic, man-made fiber, paint and other chemical products.

[product quality]GB6seventy-eight-two00two分析純)

term order

Standard requirements

Outside view

Colorless Transparent Liquid

density, g/cmthree(two0℃)

0.seventy-eight9-0.seven hundred and ninety-one

ethanol(CtwoHfiveOH), %

≥99.seven

Nonvolatile matter, %

zero point zero zero one

Moisture(HtwoO), %

0.three

Free acid (in)H+(total), mmol/one00g

zerofour

Free base (in)OH-(total), mmol/one00g

zeroone

methanol(CHthreeOH), %

≤0.0five

Isopropyl alcohol【(CHthree)twoCHOH, %

zeroone

Carbonyl compound(in CO), %

zero0three

Reducing potassium permanganate(in o)%

zero00twofive

[packaging and storage]

five00毫升棕色玻璃瓶裝, 每箱two0瓶。于陰涼干燥通風(fēng)處密封保存,運(yùn)輸及貯存時(shí)不可受熱及陽(yáng)光曝曬,更不可遇火。

[safety measures]

The maximum allowable concentration in the workplace isone000PPM。工作場(chǎng)所必須保持空氣流通,不得有明火或熱源。