PNOT

PNOT - Names and Identifiers

Name	2-Methyl-4-nitroaniline
Synonyms	MNA PNOT Fast Red redrlbase RedbaseRL C.I. 37100 red rl base fast red 5nt red base nrl devol red rl diabase red rl red base irga x red base ciba x spectroleneredrl devol red salt e ansibases red rl fast red base rl fast red RL base kako red rl base diazo fast red rl daito red base rl red color base RL mitsui red rl base spectrolene red rl sanyofastredrlbase Spectrolene Red RL Azoic Diazo No. 34 4-Nitro-o-toludine kayaku red rl base sanyofastredsaltrl 4-Nitro-o-toluidine symulon red rl base tulabase fast red rl Sanyo Fast Red RL Base sanyo fast red rl base 2-Amino-5-nitrotoluene meisi fast red rl base naphtoelan red rl base Sanyo Fast Red Salt RL sanyo fast red salt rl 2-amino-5–nitrotoluene 5-nitro-2-aminotoluene yamada fast red rl base 2-Methyl-4-nitroaniline meisei fast red rl base azoene fast red gl base 4-nitro-6-methylaniline 2-Methyl-4-Nitroamiline naphtholean red rl base hiltonil fast red rl base hiltosal fast red rl salt azogene fast red nrl salt 2-methyl-4-nitrophenylamine 2-methyl-4-nitrobenzenamine 1-amino-2-methyl-4-nitrobenzene 2-amino-1-methyl-5-nitrobenzene
CAS	99-52-5
EINECS	202-762-1
InChI	InChI=1/C7H8N2O2/c1-5-4-6(9(10)11)2-3-7(5)8/h2-4H,8H2,1H3

PNOT - Physico-chemical Properties

Molecular Formula	C7H8N2O2
Molar Mass	152.15
Density	1.1586
Melting Point	130-132°C(lit.)
Boling Point	294.61°C (rough estimate)
Flash Point	157.2℃
Solubility	Dichloromethane, DMSO, Ethyl Acetate, Methanol
Vapor Presure	20.4hPa at 133.5℃
Appearance	Crystalline Powder or Fine Needles
Color	Yellow to khaki or brownish
BRN	775772
pKa	0.92±0.10(Predicted)
PH	7 (H2O)(aqueous suspension)
Storage Condition	Store below +30°C.
Refractive Index	1.6276 (estimate)
Physical and Chemical Properties	Characteristic yellow crystals. melting point 134~135 ℃ relative density 1.1586 flash point 157.2 ℃ soluble in ethanol, benzene and acetic acid.
Use	Mainly used for cotton, hemp fiber fabric dyeing and printing color, also used for the production of coatings

PNOT - Risk and Safety

Risk Codes	R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. R33 - Danger of cumulative effects R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Description	S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S28A -
UN IDs	UN 2660 6.1/PG 3
WGK Germany	2
RTECS	XU8210000
TSCA	Yes
HS Code	29214300
Hazard Note	Irritant
Hazard Class	6.1
Packing Group	III

PNOT - Nature

Open Data Verified Data

yellow crystals. Flammable. The relative density was 1.1586. The melting point was 134-135 °c. Flash point 157.2 °c. Soluble in ethanol, benzene and acetic acid.

Last Update：2024-01-02 23:10:35

PNOT - Preparation Method

Open Data Verified Data

the amino group of o-toluidine is protected by acylation with benzenesulfonyl chloride, then nitrated with nitric acid, and hydrolyzed with sulfuric acid to remove the benzenesulfonyl group and neutralized to obtain a finished product.

Last Update：2022-01-01 10:51:47

PNOT - Use

Open Data Verified Data

ice dye base, such as red base RL. Mainly used for cotton, hemp fiber fabric dyeing and printing color. It can also be used in the production of coatings.

Last Update：2022-01-01 10:51:46

PNOT - Safety

Open Data Verified Data

This product is toxic. Easily absorbed by the skin, but can be excreted with urine. See p-nitroaniline.
the use of plywood barrel lined plastic bag packaging. 30kg per barrel. Storage and Transportation to prevent heat, moisture. Hazardous materials shall be stored and transported according to regulations.

Last Update：2022-01-01 10:51:47

PNOT - Reference Information

Color index	37100
LogP	1.311 at 25℃
NIST chemical information	information provided by: webbook.nist.gov (external link)
EPA chemical substance information	information provided by: ofmpeb.epa.gov (external link)
Application	is mainly used for dyeing and printing color development of cotton and hemp fiber fabrics, also used in the production of coatings The product is ice dye dye base (red base RL), mainly used for cotton, hemp fiber fabric dyeing and printing color, can also be used for the production of coatings.
production method	o-toluidine and p-methanesulfonyl chloride are used as raw materials through condensation, nitration and hydrolysis, neutralization and filtration and drying. Raw material consumption quota: o-toluidine (industrial) 945kg/t, caustic soda (100%)1350kg/t, benzenesulfonyl chloride (industrial) 1650kg/t, sodium bicarbonate (industrial) 40kg/t, chlorobenzene (industrial) 460kg/t, sulfuric acid (100%)3100kg/t, nitric acid (98%)680kg/t, ammonia (20%)6230kg/t, sodium nitrite 10kg/t, sodium sulfite (industrial) 26kg/t.
category	toxic substances
flammability hazard characteristics	open flame flammability; High thermal decomposition; Emission of toxic NOx smoke
storage and transportation characteristics	The warehouse is ventilated and dried at low temperature, separate storage of food additives
fire extinguishing agent	carbon dioxide, foam, sand, water mist

Last Update：2024-04-09 15:16:52

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PNOT

PNOT

2-Methyl-4-nitroaniline

CAS: 99-52-5

Molecular Formula: C7H8N2O2

PNOT - Names and Identifiers

PNOT - Physico-chemical Properties

PNOT - Risk and Safety

PNOT - Nature

Open Data Verified Data

PNOT - Preparation Method

Open Data Verified Data

PNOT - Use

Open Data Verified Data

PNOT - Safety

Open Data Verified Data

PNOT - Reference Information

Supplier List

PNOT Request for Quotation

2-Methyl-4-nitroaniline

CAS: 99-52-5

Molecular Formula: C7H8N2O2

PNOT - Names and Identifiers

PNOT - Physico-chemical Properties

PNOT - Risk and Safety

PNOT - Nature

Open Data Verified Data

PNOT - Preparation Method

Open Data Verified Data

PNOT - Use

Open Data Verified Data

PNOT - Safety

Open Data Verified Data

PNOT - Reference Information

Supplier List

PNOT