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N,N-DIMETHYL-4-NITROSOANILINE

N,N-DIMETHYL-4-NITROSOANILINE
N,N-DIMETHYL-4-NITROSOANILINE structure
CAS No.
138-89-6
Chemical Name:
N,N-DIMETHYL-4-NITROSOANILINE
Synonyms
Nitro base;NCI-C01821;Accelerene;Accelerine;Vulcaniline;ultrabrilliantbluep;Ultra Brilliant Blue P;P-NITROSODIMETHYLANILINE;p-Nitrosodimethylanilide;4-Nitrosodimethylaniline
CBNumber:
CB6444457
Molecular Formula:
C8H10N2O
Formula Weight:
150.18
MOL File:
138-89-6.mol

N,N-DIMETHYL-4-NITROSOANILINE Properties

Melting point:
85-87 °C(lit.)
Boiling point:
271.72°C (rough estimate)
Density 
1,15 g/cm3
refractive index 
1.6180 (estimate)
storage temp. 
Flammables area
Merck 
14,6638
BRN 
607293
Stability:
Stable. Incompatible with strong oxidizing agents, strong reducing agents, strong acids, acetic acid, acetic anhydride. Highly flammable (?)
CAS DataBase Reference
138-89-6(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,T
Risk Statements  11-25-36/37/38-43
Safety Statements  16-26-36/37-45
RIDADR  UN 1369 4.2/PG 2
WGK Germany  3
RTECS  BX7175000
4.7-8-9
TSCA  Yes
HS Code  2921 42 00
HazardClass  4.2
PackingGroup  II
Toxicity LD50 orally in Rabbit: 65 mg/kg
Symbol(GHS):
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2
Danger
Warning
P210, P240,P241, P280, P370+P378
H251 Self-heating; may catch fire Self-heating substances and mixtures Category 1 Danger
H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501
H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:
P201 Obtain special instructions before use.
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P235+P410 Keep cool. Protect from sunlight.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

N,N-DIMETHYL-4-NITROSOANILINE price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich D172405 N,N-Dimethyl-4-nitrosoaniline 97% 138-89-6 25g $43 2018-11-20 Buy
Sigma-Aldrich D172405 N,N-Dimethyl-4-nitrosoaniline 97% 138-89-6 100g $140 2018-11-20 Buy
TCI Chemical N0262 N,N-Dimethyl-4-nitrosoaniline >98.0%(GC)(T) 138-89-6 25g $24 2018-11-22 Buy
TCI Chemical N0262 N,N-Dimethyl-4-nitrosoaniline >98.0%(GC)(T) 138-89-6 500g $286 2018-11-22 Buy
Alfa Aesar A18301 N,N-Dimethyl-4-nitrosoaniline, 98% 138-89-6 250g $169 2018-11-13 Buy

N,N-DIMETHYL-4-NITROSOANILINE Chemical Properties,Uses,Production

Chemical Properties

green crystalline powder

Uses

manufacture of organic Compounds; accelerator in vulcanizing; in printing fabrics.

Definition

ChEBI: The 4-nitroso derivative of N,N-dimethylaniline.

General Description

A dark green crystalline solid. Insoluble in water. Harmful if ingested.

Air & Water Reactions

Susceptible to spontaneous combustion upon exposure to air. Insoluble in water.

Reactivity Profile

N,N-DIMETHYL-4-NITROSOANILINE has a delayed violent reaction with acetic anhydride.

Health Hazard

Fire will produce irritating, corrosive and/or toxic gases. Inhalation of decomposition products may cause severe injury or death. Contact with substance may cause severe burns to skin and eyes. Runoff from fire control may cause pollution.

Fire Hazard

Flammable/combustible material. May ignite on contact with moist air or moisture. May burn rapidly with flare-burning effect. Some react vigorously or explosively on contact with water. Some may decompose explosively when heated or involved in a fire. May re-ignite after fire is extinguished. Runoff may create fire or explosion hazard. Containers may explode when heated.

Safety Profile

Poison by ingestion. Mutation data reported. Questionable carcinogen with experimental tumorigenicdata. Flammable when exposed to heat, flame, or oxidzers. Violent reaction with acetic anhydride + acetic acid. When heated to decomposition it emits toxic fumes of NOx

Purification Methods

Recrystallise the nitroso-aniline from pet ether or CHCl3/CCl4 and dry it in air. Alternatively suspend it in H2O, heat to boiling and add HCl until it dissolves. Filter, cool and collect the hydrochloride [42344-05-8] with m 177o after recrystallisation from H2O containing a small amount of HCl. The hydrochloride (e.g. 30g) is made into a paste with H2O (100mL) in a separating funnel. Add cold aqueous 2.5 NaOH or Na2CO3 to a pH of ~ 8.0 (green color due to the free base) and extract with toluene, CHCl3 or Et2O. Dry the extract (K2CO3), filter, distil off the solvent, cool the residue and collect the crystalline free base. Recrystallise it as above and dry it in air. [Beilstein 12 IV 1558.]

N,N-DIMETHYL-4-NITROSOANILINE Preparation Products And Raw materials

Raw materials

Preparation Products


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