4-Aminoacetophenone CAS 99-92-3

Appearance and characteristics: Yellow needle-like crystals. The melting point is 106℃. It is readily soluble in hot water, soluble in alcohol, ether, dilute hydrochloric acid and dilute sulfuric acid, and slightly soluble in benzene and cold water. It has a special and pleasant fragrance. Boiling point: 293-295℃, 195-200℃ (2kPa).
Melting point: 103-107 °C(lit.)
Boiling point: 293 °C(lit.)
Bulk density: 580kg/m ³
Density: 0.77 g/cm ³
Refractive index: 1.5700 (estimate)
Flash point: 292-294°C
Storage conditions: Store below +30°C.
Solubility: The solubility in water is 6.5 grams per liter
Acidity coefficient (pKa) : 2.17±0.10(Predicted)
Form: Crystalline powder
Specific gravity: 0.77

Purpose 1
It is used as the raw material for the medicine cough suppressant
Use 2
It is used as a sensitive reagent for the determination of palladium and a reagent for the determination of vitamin B1
Use 3
The intermediate of the medicine pancough. It is also used for the determination of palladium and vitamin B1.
Use 4
Determine palladium and vitamin B1. Photometric determination reagent for cerium. Sulfonamide analog colorimetric determination.

Tha mòran fhactaraidhean àrd-inbhe againn le co-obrachadh domhainn, a bheir dhut toraidhean àrd-inbhe agus prìsean farpaiseach. Agus is urrainn dhuinn cuideachd lasachaidhean a thoirt seachad airson mòr-cheannach. Tha an ùine lìbhrigidh timcheall air 3-20 latha às deidh dearbhadh pàighidh.

1. An e factaraidh no companaidh malairt a th 'annad?
Tha sinn nar companaidh a tha ag amalachadh gnìomhachas agus malairt, a’ toirt seachad seirbheis aon-stad. Dh’ fhaodadh gabhail ri OEM.

2. A bheil thu a 'toirt seachad samples? A bheil e an-asgaidh no a bharrachd?
Saor an-asgaidh samples.The shampall cìs bathair feumar pàigheadh ​​le ur taobh.

3. A bheil teisteanasan sam bith agad co-cheangailte ri smachd càileachd?
Teisteanas ISO 9001: 2008 gus dèanamh cinnteach à càileachd.

4. Dè a bu chòir dhomh a thoirt seachad gus luachan fhaighinn?
Bidh Pls ag innse dhuinn mun t-seòrsa toraidh a dh’ fheumas tu, meud òrduigh, seòladh agus riatanasan sònraichte. Thèid an luachan a dhèanamh airson do iomradh ann an ùine.

5. Dè an seòrsa dòigh pàighidh as fheàrr leat? Dè an seòrsa teirmean ris an tèid gabhail?
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Cànan air a labhairt: Beurla.