Methyl 2-bromomethyl-3-nitrobenzoate (CAS # 98475-07-1)

Ọrọ Iṣaaju

Methyl 2-bromomethyl-3-nitrobenzoate.

Didara:

1. Irisi: omi ti ko ni awọ tabi funfun ti o lagbara;

4. iwuwo: nipa 1.6-1.7 g / milimita;

5. Solubility: tiotuka ni awọn ohun elo ti o ni imọran, gẹgẹbi awọn ọti-lile, awọn ethers ati awọn ketones.

Lo:

Methyl 2-bromomethyl-3-nitrobenzoate ni a maa n lo bi agbedemeji ti awọn ipakokoropaeku, o le ṣee lo ni iṣelọpọ ti awọn ipakokoropaeku bi methyl besylsulfonylcarboxyl, ati pe o tun le ṣee lo bi agbedemeji sintetiki ti glyphosate.

Ọna:

Methyl 2-bromomethyl-3-nitrobenzoate ni a le pese sile nipasẹ chloromethylation ati nitrification. Awọn igbesẹ kan pato jẹ bi atẹle: methyl benzoate ti ṣe atunṣe pẹlu acetic acid ati irawọ owurọ trichloride ni iwọn otutu kekere lati gba methyl 2-chloromethylbenzoate; Lẹhinna, methyl 2-chloromethylbenzoate ni a ṣe sinu ẹgbẹ nitro nipasẹ nitrification ti iyọ asiwaju lati fun methyl 2-bromomethyl-3-nitrobenzoate.

Alaye Abo:

1. Methyl 2-bromomethyl-3-nitrobenzoate jẹ flammable ni iwọn otutu giga ati ina ti o ṣii, nitorina iwọn otutu ti o ga ati ina ti o ṣii yẹ ki o yago fun.

2. Wọ awọn gilaasi aabo kemikali ati awọn ibọwọ nigba lilo lati yago fun olubasọrọ pẹlu awọ ara ati ifasimu ti awọn gaasi.

4. Nigbati o ba tọju, o yẹ ki o wa ni edidi ati ki o pa kuro ninu ooru, ina ati awọn oxidants.