Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,3-Dicyanohydroquinone
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,3-Dicyanohydroquinone
Price: ￥538.0/100g ￥178.0/25g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,6-Dihydroxyphthalonitrile
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

4733-50-0

4733-50-0 structure

4733-50-0 structure

Name: 2,3-Dicyanohydroquinone
Chemical Name: 3,6-Dihydroxyphthalonitrile
CAS Number: 4733-50-0
Molecular Formula: C₈H₄N₂O₂
Molecular Weight: 160.130
Catalog: Chemical reagent Organic reagent Cyanate ester / isocyanate
Create Date: 2018-05-23 08:00:00
Modify Date: 2025-08-22 19:05:56

Name	3,6-Dihydroxyphthalonitrile
Synonyms	2,3-Dicyanobenzene-1,4-diol MFCD00001790 2,3-Dicyanohydroquinone 3,6-dihydroxybenzene-1,2-dicarbonitrile Phthalonitrile, 3,6-dihydroxy- 1,2-Benzenedicarbonitrile, 3,6-dihydroxy- EINECS 225-241-0 3,6-Dihydroxyphthalonitrile

Density	1.5±0.1 g/cm3
Boiling Point	443.5±45.0 °C at 760 mmHg
Melting Point	245 °C
Molecular Formula	C₈H₄N₂O₂
Molecular Weight	160.130
Flash Point	222.0±28.7 °C
Exact Mass	160.027283
PSA	88.04000
LogP	2.44
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.668
Water Solubility	Soluble in hot water

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S26-S37/39-S36/37/39
RIDADR	3439.0
WGK Germany	3
HS Code	2926909090

Precursor 10
151-50-8 106-51-4 74-90-8 83575-18-2
83575-20-6 695-99-8 64-17-5 4622-04-2
7732-18-5 7664-93-9
DownStream 10
91-15-6 28231-51-8 10264-67-2 116453-85-1
201140-18-3 116453-87-3 14597-12-7 75941-30-9
75941-32-1 75941-33-2

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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