2-Methoxy-5-nitrophe

2-Methoxy-5-nitrophe - Names and Identifiers

Name	2-methoxy-5-nitrophenol
Synonyms	5-Nitroguaiacol 2-Methoxy-5-nitrophe 2-methoxy-5-nitrophenol 2-METHOXY-5-NITROANILINE Phenol, 2-methoxy-5-nitro- 2-Hydroxy-1-methoxy-4-nitrobenzene 5 nitroguaiacol, 2-methoxy-5-nitrophenol 3-Hydroxy-4-methoxynitrobenzene~5-Nitroguaiacol 5-Nitroguaiacol (3-Hydroxy-4-methoxynitrobenzene)
CAS	636-93-1
EINECS	211-269-0
InChI	InChI=1/C7H7NO4/c1-12-7-3-2-5(8(10)11)4-6(7)9/h2-4,9H,1H3
InChIKey	KXKCTSZYNCDFFG-UHFFFAOYSA-N

2-Methoxy-5-nitrophe - Physico-chemical Properties

Molecular Formula	C7H7NO4
Molar Mass	169.13
Density	1.3375 (estimate)
Melting Point	103-107 °C (lit.)
Boling Point	110-112 °C/1 mmHg (lit.)
Flash Point	110-112°C/1mm
Solubility	Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
Vapor Presure	0.00115mmHg at 25°C
Appearance	Solid
Color	Light Yellow to Light Brown
BRN	2047074
pKa	8.31±0.19(Predicted)
Storage Condition	Inert atmosphere,Room Temperature
Refractive Index	1.5830 (rough estima
MDL	MFCD00015561

2-Methoxy-5-nitrophe - Risk and Safety

Risk Codes	R22 - Harmful if swallowed R36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
UN IDs	2811
WGK Germany	3
HS Code	29095090
Hazard Note	Irritant
Packing Group	III

2-Methoxy-5-nitrophe - Reference Information

Application

2-methoxy-5-nitrophenol can be used as intermediates in organic synthesis and pharmaceutical intermediates, mainly used in laboratory research and development process and chemical production process.

preparation

phenol (0.10 mol) was added to sodium hydroxide (40%,10 mL,0.1
mol) the water was dissolved and allowed to dissolve slowly under heating, and the water was concentrated by evaporation under reduced pressure. PEG
400(1.6g, about 0.04 mol) and the alkylating agent dimethyl sulfate (0.11 mol) were slowly added to the reaction system with vigorous stirring. The reaction was promoted by heating and monitored by HPLC and TLC until complete conversion of phenol. The mixture was then poured into hot aqueous sodium hydroxide (5%) or water (80-90 °c, 100 ml) and stirred to allow the product to precipitate or the layers to separate. The precipitate or organic layer was washed with water (three 50 ml portions). The purity of the intermediate product obtained by this route was shown to be above 96% by HPLC. If higher purity is desired, recrystallization or distillation in vacuo can be performed using a suitable solvent. Note: dimethyl sulfate is a highly toxic compound, the use of the need to pay special attention to safety, never stick to the skin or gloves.

Last Update：2024-04-09 21:04:16