3-Methyl-5-nitrobenzoic acid
- Product Name
- 3-Methyl-5-nitrobenzoic acid
- CAS No.
- 113882-33-0
- Chemical Name
- 3-Methyl-5-nitrobenzoic acid
- Synonyms
- 3-Methyl-5-nitrobenzoicaci;3-Methyl-5-nitrobenzoic acid;5-Nitro-3-Methyl benzoic acid;Benzoic acid, 3-methyl-5-nitro-;3-Methyl-5-nitrobenzoic acid ISO 9001：2015 REACH
- CBNumber
- CB82537872
- Molecular Formula
- C8H7NO4
- Formula Weight
- 181.15
- MOL File
- 113882-33-0.mol
3-Methyl-5-nitrobenzoic acid Property
- Melting point:
- 174℃
- Boiling point:
- 355.8±30.0 °C(Predicted)
- Density
- 1.392±0.06 g/cm3(Predicted)
- storage temp.
- Sealed in dry,Room Temperature
- pka
- 3.55±0.10(Predicted)
- Appearance
- Light yellow to brown Solid
Safety
- HS Code
- 2916399090
N-Bromosuccinimide Price
- Product number
- M219403
- Product name
- 3-Methyl-5-nitrobenzoicAcid
- Packaging
- 100mg
- Price
- $75
- Updated
- 2021/12/16
- Product number
- OR315323
- Product name
- 5-Nitro-3-methylbenzoic acid
- Packaging
- 5g
- Price
- $82
- Updated
- 2021/12/16
- Product number
- 4754-1-0C
- Product name
- 5-Nitro-3-methylbenzoic acid
- Purity
- 95%
- Packaging
- 5G
- Price
- $96
- Updated
- 2021/12/16
- Product number
- 076325
- Product name
- 3-Methyl-5-nitrobenzoic acid
- Purity
- 95+%
- Packaging
- 1g
- Price
- $347
- Updated
- 2021/12/16
- Product number
- 076325
- Product name
- 3-Methyl-5-nitrobenzoic acid
- Purity
- 95+%
- Packaging
- 5g
- Price
- $958
- Updated
- 2021/12/16
3-Methyl-5-nitrobenzoic acid Chemical Properties,Usage,Production
Synthesis
99-12-7
113882-33-0
The general procedure for the synthesis of 3-methyl-5-nitrobenzoic acid from 3,5-dimethylnitrobenzene was as follows: 3,5-dimethylnitrobenzene (30 g, 0.198 mol) was added with stirring to a solvent mixture of pyridine (400 ml) and water (250 ml), and heated to 80°C. Potassium permanganate (KMnO4, 62.7 g, 0.396 mol) was added in batches over a period of 0.75 hr. 0.396 mol) and heating was continued at 85°C-90°C for 1.75 hours. The hot reaction mixture was filtered through diatomaceous earth and the diatomaceous earth was washed with hot water (150 ml). The pink filtrate was decolorized with a few drops of sodium metabisulfite (NaHSO3) and the solution was evaporated to dryness. The residue was dissolved in water (250 ml) and extracted with ether (2 x 90 ml). The aqueous layer was acidified with concentrated hydrochloric acid and extracted with ethyl acetate (3 x 120 ml). The organic extracts were combined, washed sequentially with sodium dihydrogen phosphate (NaH2PO4) solution and brine, and dried over anhydrous magnesium sulfate (MgSO4). Using a mixed solvent of ethyl acetate/dichloromethane/acetic acid (25:25:1), the crude product was eluted by a silica pad to afford 3-methyl-5-nitrobenzoic acid (14.5 g, 40% yield) with a melting point of 171°C-172°C. Nuclear magnetic resonance hydrogen spectroscopy (1H NMR, DMSO-d6) data were as follows: δ 2.51 (single peak, 3H); 8.17 ( single peak, 1H); 8.30 (triple peak, 1H); 8.42 (triple peak, 1H); 13.58 (broad peak, 1H).
References
[1] Patent: US5478820, 1995, A
3-Methyl-5-nitrobenzoic acid Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 3-Methyl-5-nitrobenzoic acid manufacturers
- Product
- 3-Methyl-5-nitrobenzoic acid 113882-33-0
- Price
- US $0.00-0.00/KG
- Min. Order
- 1KG
- Purity
- 98%+
- Supply Ability
- 100 tons
- Release date
- 2020-01-13
- Product
- 3-Methyl-5-nitrobenzoic acid 113882-33-0
- Price
- US $6.68/KG
- Min. Order
- 1KG
- Purity
- 97%-99%
- Supply Ability
- 1kg-1000kg
- Release date
- 2020-01-10