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4-Methoxybenzyl isocyanate

4-Methoxybenzyl isocyanate structure

CAS No.: 56651-60-6

Chemical Name:: 4-Methoxybenzyl isocyanate

Synonyms: 1-(isocyanatomethyl)-4-methoxybenzene;4-methoxybenyl isocyanate;p-Methoxybenzyl isocyanate;4-METHOXYBENZYL ISOCYANATE;4-METHOXYBENZYL ISOCYANATE 98%;4-Methoxybenzyl isocyanate,99%;4-Methoxybenzyl isocyanate ,98%;Isocyanic acid, p-methoxybenzyl-;Benzene, 1-(isocyanatomethyl)-4-methoxy-;1-(Isocyanatomethyl)-4-methoxybenzene, 4-(Isocyanatomethyl)phenyl methyl ether, 4-(Isocyanatomethyl)anisole

CBNumber:: CB9306941

Molecular Formula:: C9H9NO2

Molecular Weight:: 163.17

MDL Number:: MFCD00673064

MOL File:: 56651-60-6.mol

MSDS File:: SDS

Last updated:2026-05-28 06:27:57

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4-Methoxybenzyl isocyanate Properties

Boiling point	60-66 °C/0.6 mmHg (lit.)
Density	1.143 g/mL at 25 °C (lit.)
refractive index	n20/D 1.433(lit.)
Flash point	>230 °F
storage temp.	2-8°C
InChI	InChI=1S/C9H9NO2/c1-12-9-4-2-8(3-5-9)6-10-7-11/h2-5H,6H2,1H3
InChIKey	QRBHVARIMDDOOV-UHFFFAOYSA-N
SMILES	C1(CN=C=O)=CC=C(OC)C=C1
CAS DataBase Reference	56651-60-6(CAS DataBase Reference)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07,GHS08
Signal word	Danger
Hazard statements	H302+H312+H332-H315-H317-H319-H334-H335
Precautionary statements	P261-P264-P280-P301+P312-P302+P352+P312-P305+P351+P338
target organs	Respiratory system
PPE	Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes	Xn,Xi
Risk Statements	20/21/22-36/37/38-42
Safety Statements	26-36/37/39-37/39
RIDADR	UN 2206PSN1B 6.1 / PGIII
WGK Germany	3
HazardClass	IRRITANT
HS Code	29291090
Storage Class	6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
Hazard Classifications	Acute Tox. 4 Dermal Acute Tox. 4 Inhalation Acute Tox. 4 Oral Eye Irrit. 2 Resp. Sens. 1 Skin Irrit. 2 Skin Sens. 1 STOT SE 3
Limited Quantities	5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities	Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

4-Methoxybenzyl isocyanate price More Price(41)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	487406	4-Methoxybenzyl isocyanate 98%	56651-60-6	1g	$84.2	2026-04-30	Buy
Sigma-Aldrich	487406	4-Methoxybenzyl isocyanate 98%	56651-60-6	5g	$232	2026-04-30	Buy
Apolloscientific	OR2873	4-Methoxybenzyl isocyanate, 98%	56651-60-6	250mg	$22	2026-06-04	Buy
Apolloscientific	OR2873	4-Methoxybenzyl isocyanate, 98%	56651-60-6	1g	$64	2026-06-04	Buy
Apolloscientific	OR2873	4-Methoxybenzyl isocyanate, 98%	56651-60-6	5g	$271	2026-06-04	Buy

Product number	Packaging	Price	Buy
487406	1g	$84.2	Buy
487406	5g	$232	Buy
OR2873	250mg	$22	Buy
OR2873	1g	$64	Buy
OR2873	5g	$271	Buy

4-Methoxybenzyl isocyanate Chemical Properties, Uses, Production

Chemical Properties

clear colourless to yellow liquid

Uses

4-Methoxybenzyl isocyanate (p-Methoxybenzyl isocyanate) may be used in the synthesis of 1-(4-methoxybenzyl)-3-{2-[(4-nitrophenyl)amino]ethyl}urea and 1-(4-methoxybenzyl)-3-{2-[(5-nitropyridin-2-yl)amino]ethyl} urea.
It may be used in the multi-step synthesis of:

diimidazodiazepine containing 5:7:5-fused heterocycle
2-deoxy-2-ureido-D-ribo-hexulofuranosonamide
bicyclic guanidine core of batzelladine A

General Description

4-Methoxybenzyl isocyanate (PMBNCO), also known as p-methoxybenzyl isocyanate, is an organic building block containing an isocyanate group. Its enthalpy of vaporization at boiling point has been reported.

4-Methoxybenzyl isocyanate Preparation Products And Raw materials

Raw materials

Triphosgene N,N-Diisopropylethylamine Tetrahydrofuran 4-Methoxybenzylamine

Preparation Products

4-Methoxybenzyl isocyanate Suppliers

Global Suppliers ( 125)

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	94588	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
3B Pharmachem (Wuhan) International Co.,Ltd.	18930552037	3bsc@sina.com	China	15813	69
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	45000	61
Wuhan Chemwish Technology Co., Ltd	86-027-67849912	sales@chemwish.com	China	35884	56
Beijing Ouhe Technology Co., Ltd	13552068683 13522913783	2355560935@qq.com	China	11777	60
Shanghai Hanhong Scientific Co.,Ltd.	021-54306202 13764082696	info@hanhongsci.com	China	42917	64
Shandong Xiya Chemical Co., Ltd	13355009207 13355009207	3007715519@qq.com	China	18722	57
Syntechem Co.,Ltd		info@syntechem.com	China	12973	57
Wuhan Haizheng Industry & Trade Development Co. Ltd	027-8866 0053/88660577/88660578		China	1070	55

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
3B Pharmachem (Wuhan) International Co.,Ltd.	69
Energy Chemical	61
Wuhan Chemwish Technology Co., Ltd	56
Beijing Ouhe Technology Co., Ltd	60
Shanghai Hanhong Scientific Co.,Ltd.	64
Shandong Xiya Chemical Co., Ltd	57
Syntechem Co.,Ltd	57
Wuhan Haizheng Industry & Trade Development Co. Ltd	55

View Latest Price from 4-Methoxybenzyl isocyanate manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-10-13	4-Methoxybenzyl isocyanate 56651-60-6			0.99		RongNa Biotechnology Co.,Ltd
	2019-07-06	p-Methoxybenzyl isocyanate 56651-60-6	$1.00	1KG	98%	200kg	Career Henan Chemical Co

4-Methoxybenzyl isocyanate
56651-60-6
0.99
RongNa Biotechnology Co.,Ltd

p-Methoxybenzyl isocyanate
56651-60-6
$1.00
98%
Career Henan Chemical Co

56651-60-6 (4-Methoxybenzyl isocyanate) Related Search:

Isocyanic acid Benzyl isocyanate Isocyanatocyclohexane Chlorosulfonyl isocyanate Propyl isocyanate

ISOCYANATE 2-METHOXYBENZYL ISOCYANATE 97 2 4-Dimethoxybenzyl isocyanate 97 5-(Isocyanatomethyl)-1,3-benzodioxole 3 4 5-Trimethoxybenzyl isocyanate 97

3-Methoxybenzyl isocyanate 97 3,4-Dimethoxybenzyl isocyanate 4-Methoxybenzyl isocyanate (S)-(-)-1-(4-Methoxyphenyl)ethyl isocyanate (R)-1-(4-Methoxyphenyl)ethyl isocyanate

2-Methoxybenzyl isocyanate 3-Methoxybenzyl isocyanate Methyl-3-isocyanato-3-(4-benzyloxyphenyl) propionate

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4-METHOXYBENZYL ISOCYANATE 4-METHOXYBENZYL ISOCYANATE 98% 4-Methoxybenzyl isocyanate ,98% 4-Methoxybenzyl isocyanate,99% 4-methoxybenyl isocyanate 1-(Isocyanatomethyl)-4-methoxybenzene, 4-(Isocyanatomethyl)phenyl methyl ether, 4-(Isocyanatomethyl)anisole Isocyanic acid, p-methoxybenzyl- p-Methoxybenzyl isocyanate Benzene, 1-(isocyanatomethyl)-4-methoxy- 1-(isocyanatomethyl)-4-methoxybenzene 56651-60-6 Nitrogen Compounds Isocyanates Organic Building Blocks Building Blocks Isocyanates Nitrogen Compounds Organic Building Blocks