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p-Nitrophenylacetonitrile

CAS No. 555-21-5 | PubChem CID 68386
Section 1. Identification
Chemical Namep-Nitrophenylacetonitrile CAS No.555-21-5
Synonymsp-nitrobenzyl cyanide; 4-nitrophenylacetonitrile Chinese Name4-硝基苯乙睛
Molecular FormulaC8H6NO2 Molecular Weight162.1454
UN No.2811 Data SourcePubChem (NIH/NLM)
GHS Hazard Classification
Signal Word DANGER
Pictograms GHS06 · Acute Toxic GHS07 · Irritant
Hazard Statements H301H302H311H312H315H319H331H332H335
Precautionary Statements P261P262P264P264+P265P270P271P280P301+P316P301+P317P302+P352P304+P340P305+P351+P338P316P317P319P321P330P332+P317P337+P317P361+P364P362+P364P403+P233P405P501
Contents
Section 2Hazards Identification

Section 2. Hazards Identification

This chemical does not meet GHS hazard criteria for 20% (2 of 10) of reports.

H301 (20%): Toxic if swallowed [Danger Acute toxicity, oral]

H302 (60%): Harmful if swallowed [Warning Acute toxicity, oral]

H311 (50%): Toxic in contact with skin [Danger Acute toxicity, dermal]

H312 (20%): Harmful in contact with skin [Warning Acute toxicity, dermal]

H315 (20%): Causes skin irritation [Warning Skin corrosion/irritation]

H319 (20%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]

H331 (10%): Toxic if inhaled [Danger Acute toxicity, inhalation]

H332 (60%): Harmful if inhaled [Warning Acute toxicity, inhalation]

H335 (10%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

P261, P262, P264, P264+P265, P270, P271, P280, P301+P316, P301+P317, P302+P352, P304+P340, P305+P351+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 10 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Reported as not meeting GHS hazard criteria per 2 of 10 reports by companies.

There are 5 notifications provided by 8 of 10 reports by companies with hazard statement code(s).

Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Source: PubChem CID 68386 (NIH/NLM, public domain). Retrieved from PubChem, a public-domain chemistry database maintained by the U.S. National Library of Medicine. Last updated: 2026-08-02 10:00:08.
Disclaimer: This information is compiled for reference only and does not replace the manufacturer's official Safety Data Sheet. Always consult the supplier's SDS before handling any chemical.