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4-Methoxybenzyl isocyanate

4-Methoxybenzyl isocyanate structure

CAS No.: 56651-60-6

Chemical Name:: 4-Methoxybenzyl isocyanate

Synonyms: 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-;1-(isocyanatomethyl)-4-methoxybenzene;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

Last updated:2026-01-13 11:26:44

Product description	Number	Pack Size	Price
4-Methoxybenzyl isocyanate 98%	487406	1g	$75.05
4-Methoxybenzyl isocyanate 98%	487406	5g	$196.85
1-(Isocyanatomethyl)-4-methoxybenzene	I566510	50g	$110
1-(Isocyanatomethyl)-4-methoxybenzene	038702	1g	$148
4-Methoxybenzyl isocyanate	4749-1-X4	1g	$173
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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(23)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	487406	4-Methoxybenzyl isocyanate 98%	56651-60-6	1g	$75.05	2025-07-31	Buy
Sigma-Aldrich	487406	4-Methoxybenzyl isocyanate 98%	56651-60-6	5g	$196.85	2025-07-31	Buy
TRC	I566510	1-(Isocyanatomethyl)-4-methoxybenzene	56651-60-6	50g	$110	2021-12-16	Buy
Matrix Scientific	038702	1-(Isocyanatomethyl)-4-methoxybenzene	56651-60-6	1g	$148	2021-12-16	Buy
SynQuest Laboratories	4749-1-X4	4-Methoxybenzyl isocyanate	56651-60-6	1g	$173	2021-12-16	Buy

Product number	Packaging	Price	Buy
487406	1g	$75.05	Buy
487406	5g	$196.85	Buy
I566510	50g	$110	Buy
038702	1g	$148	Buy
4749-1-X4	1g	$173	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( 118)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29833	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49977	58
Shaanxi Dideu Medichem Co. Ltd	+86-29-87569266 +86-17392581500	1015@dideu.com	China	3987	58
Zhengzhou Alfa Chemical Co.,Ltd	+8618530059196	sale04@alfachem.cn	China	11728	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Unipharm pharmaceutical industry Co., Ltd	536-8266195 +8613953676784	lee@unipharm-sd.com	China	1202	58
RongNa Biotechnology Co.,Ltd	+86-86-13583358881 +8618560316533	Brad@rongnabiotech.com	China	3388	58
Alfa Chemistry		info@alfa-chemistry.com	United States	2344	58
Dayang Chem (Hangzhou) Co.,Ltd.	+86-0571-88938639 +8617705817739	info@dycnchem.com	China	52846	58
PT CHEM GROUP LIMITED	+86-85511178;	peter68@ptchemgroup.com	China	35425	58

Supplier	Advantage
career henan chemical co	58
CONIER CHEM AND PHARMA LIMITED	58
Shaanxi Dideu Medichem Co. Ltd	58
Zhengzhou Alfa Chemical Co.,Ltd	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Unipharm pharmaceutical industry Co., Ltd	58
RongNa Biotechnology Co.,Ltd	58
Alfa Chemistry	58
Dayang Chem (Hangzhou) Co.,Ltd.	58
PT CHEM GROUP LIMITED	58

View Lastest Price from 4-Methoxybenzyl isocyanate manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2026-01-22	4-Methoxybenzyl isocyanate 56651-60-6			0.99		RongNa Biotechnology Co.,Ltd
	2019-07-06	p-Methoxybenzyl isocyanate 56651-60-6	US $1.00 / KG	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
US $1.00 / KG
98%
Career Henan Chemical Co

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

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ISOCYANATE 2-METHOXYBENZYL ISOCYANATE 97 3-METHOXYBENZYL ISOCYANATE 97 3,4-Dimethoxybenzyl isocyanate 5-(ISOCYANATOMETHYL)-1,3-BENZODIOXOLE

2 4-DIMETHOXYBENZYL ISOCYANATE 97 3 4 5-TRIMETHOXYBENZYL ISOCYANATE 97 4-Methoxybenzyl isocyanate (R)-1-(4-METHOXYPHENYL)ETHYL ISOCYANATE (S)-(-)-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% 1-(isocyanatomethyl)-4-methoxybenzene 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- 56651-60-6 Nitrogen Compounds Isocyanates Organic Building Blocks Building Blocks Isocyanates Nitrogen Compounds Organic Building Blocks