ChemicalBook > CAS DataBase List > 4-Nitrosophenol

4-Nitrosophenol

Product Name
4-Nitrosophenol
CAS No.
104-91-6
Chemical Name
4-Nitrosophenol
Synonyms
Nsc3124;Aids159812;Aids-159812;Quinomeoxime;quinoneoxime;Nitrosophenol;4-Nitrosofenol;4-NITROSOPHENOL;quinonemonoxime;p-nitroso-pheno
CBNumber
CB9182464
Molecular Formula
C6H5NO2
Formula Weight
123.11
MOL File
104-91-6.mol
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4-Nitrosophenol Property

Melting point:
132-144°C
Boiling point:
229.19°C (rough estimate)
Density 
1.3147 (rough estimate)
vapor pressure 
0.003Pa at 20℃
refractive index 
1.5423 (estimate)
solubility 
soluble in Methanol
form 
powder to crystal
pka
pK1:6.48 (25°C)
color 
Pale-yellow, orthorhombic needles
Water Solubility 
<0.1 g/100 mL at 21 ºC
Merck 
14,6642
Stability:
Stability Flammable. Incompatible with strong oxidizing agents. Explodes when heated, or in contact with acids or alkalies.
LogP
1.1 at 20℃
CAS DataBase Reference
104-91-6(CAS DataBase Reference)
NIST Chemistry Reference
Phenol, 4-nitroso-(104-91-6)
EPA Substance Registry System
p-Nitrosophenol (104-91-6)
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Safety

Hazard Codes 
Xn,N
Risk Statements 
21/22-40-41-68-51/53-22
Safety Statements 
15-24/25-26-61-49-47-36/37/39
RIDADR 
3236
RTECS 
SM4725000
HazardClass 
4.1
PackingGroup 
II
HS Code 
2908990000
Hazardous Substances Data
104-91-6(Hazardous Substances Data)
Toxicity
mmo-sat 50 mg/plate FCTXAV 18,523,80
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H228Flammable solid

H302Harmful if swallowed

H315Causes skin irritation

H318Causes serious eye damage

H341Suspected of causing genetic defects

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

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N-Bromosuccinimide Price

TCI Chemical
Product number
N0374
Product name
4-Nitrosophenol (wetted with ca. 40% Water) (unit weight on dry weight basis)
Purity
>98.0%(T)
Packaging
25g
Price
$107
Updated
2025/07/31
AHH
Product number
MT-20123
Product name
4-Nitrosophenol
Purity
98%
Packaging
1000g
Price
$538
Updated
2021/12/16
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4-Nitrosophenol Chemical Properties,Usage,Production

Chemical Properties

black solid

Uses

Dyes.

Hazard

Dangerous fire and explosion risk, reacts violently with acids and alkalies, may explode spontaneously, intraplant transport must be in tightly covered steel barrels.

Safety Profile

Poison by parented and intraperitoneal routes. Mutation data reported. An irritant and sensitizer. Many nitroso compounds are carcinogens. A very dangerous fire and explosion hazard. When exposed to heat or flame, it burns explosively. Contamination by acid or alkali may cause ignition . Can heat spontaneously and cause fire. When heated to decomposition it emits toxic fumes of NOx. See also NITROSO COMPOUNDS.

Purification Methods

4-Nitrosophenol forms yellow crystals from xylene, *C6H6 (m ~144o) or Et2O (m 128-129o, dec). [Beilstein 7 H 622, 7 II 574, 7 III 3367.]

4-Nitrosophenol Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Nitrosophenol Suppliers

Jiangsu Xinsu New Materials Co., Ltd
Tel
0512-66387919 15251950002
Email
15251950002@163.com
Country
China
ProdList
11046
Advantage
58
Shanghai Macklin Biochemical Co.,Ltd.
Tel
15221275939
Fax
021-50706099
Email
shenlinxing@macklin.cn
Country
China
ProdList
15873
Advantage
55
Shanghai YuanYe Biotechnology Co., Ltd.
Tel
021-61312847; 18021002903
Fax
QQ:3008007432
Email
3008007409@qq.com
Country
China
ProdList
71826
Advantage
60
Rhawn Reagent
Tel
400-400-1332688 18019345275
Fax
400-133-2688
Email
amy@rhawn.cn
Country
China
ProdList
14948
Advantage
58
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Tel
+86-400-002-6226 +86-13028896684;
Email
sales@rrkchem.com
Country
China
ProdList
57422
Advantage
58
HUNAN CHEMFISH SCIENTIFIC CO.,LTD
Tel
+86-0731-85567275 13298656710
Fax
QQ:3554193828
Email
sales05@chemfish.com
Country
China
ProdList
7449
Advantage
58
Shanghai Baoyang Baoxin Biotechnology Co., LTD
Tel
021-56698539 19921169802
Email
bxsw_sh@163.com
Country
China
ProdList
3917
Advantage
58
Shandong benrite new chemical materials co.,ltd
Tel
0533-2866658 15615638350
Email
sales@benritechem.com
Country
China
ProdList
6608
Advantage
58
Tiancheng Chemical (Jiangsu) Co., Ltd
Tel
0512-66387919 18662433356
Email
18662433356@163.com
Country
China
ProdList
10970
Advantage
58
Nanxing Chemical (Jiangsu) Co., Ltd
Tel
0512-66387035 18662433356
Email
18662433356@163.com
Country
China
ProdList
10929
Advantage
58

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