4-Bromo-3-nitrobenzoic acid（CAS# 6319-40-0)
| Tulaga lamatia | R36/37/38 – Fa'aitaita'i i mata, faiga manava ma le pa'u. R22 – E afaina pe a foloina |
| Fa'amatalaga Saogalemu | S26 – Pe a pa'i i mata, fufulu vave i le tele o vai ma saili fautuaga fa'afoma'i. S36/37/39 – Fai ofu puipui talafeagai, totigilima ma mata/mata. |
| WGK Siamani | 3 |
| HS Code | 29163990 |
| Mata'utia Fa'amatalaga | Fa'aitaita |
Folasaga
O le 3-nitro-4-bromobenzoic acid o se vailaʻau faʻapitoa ma le fua faʻatatau C7H4BrNO4.
natura:
- Fa'aaliga: tioata lanu po'o le pa'u tioata samasama samasama.
-mea liusuavai: 215-218 ℃.
-Solubility: Solubility i le vai e laʻititi, soluble i ethanol, ether ma chloroform ma isi solvents organic.
Fa'aaogā:
O le 3-nitro-4-bromobenzoic acid o se mea taua tele o le faʻaogaina o meaola, lea e faʻaaogaina lautele i vailaʻau faʻamaʻi ma alamanuia vali.
- Fa'asologa o vaila'au: e mafai ona fa'aaogaina e fai ma mea muamua mo le tu'ufa'atasiga o nisi o vaila'au fa'ama'i fa'ama'i ma isi vaila'au.
- Alamanuia vali: e mafai ona fa'aoga mo vali fa'anenefu ma pigments.
Sauniuniga auala:
3-nitro-4-bromobenzoic acid e mafai ona saunia e ala ile faʻamaʻiina ole 4-bromobenzoic acid. O laasaga fa'apitoa e fa'apea:
1. Fa'amuta le 4-bromobenzoic acid i se vaifofo fefiloi o le nitric acid ma le glacial acetic acid.
2. Fa'aoso le paluga tali i le vevela maualalo.
3. O le oloa e faʻafefe i totonu o le faʻafefiloi o tali e faʻamama ma fufulu, ona faʻagogo lea e maua ai le 3-nitro-4-bromobenzoic acid.
Fa'amatalaga Saogalemu:
O le 3-nitro-4-bromobenzoic acid o loʻo i ai se aafiaga faʻaosofia i luga o le paʻu ma mata, ma e tatau ona faʻamama atoatoa pe a uma ona faʻafesoʻotaʻi. I le taimi o le fa'aoga ma le teuina, aloese mai le manavaina o lona pefu ma fa'aaoga mea e puipui ai pe a mana'omia. E le gata i lea, o le 3-nitro-4-bromobenzoic acid e mafai foi ona afaina ai le siosiomaga, o lea e tatau ai ona faʻaeteete ina ia tausisia tulafono talafeagai mo le saogalemu o le siosiomaga.
