{
  "url": "https://openlegislation.uk/notification-of-new-substances-regulations-1993/schedule-1/part-I",
  "json_url": "https://openlegislation.uk/notification-of-new-substances-regulations-1993/schedule-1/part-I.json",
  "legislation": "uksi/1993/3050",
  "legislation_title": "The Notification of New Substances Regulations 1993",
  "legislation_url": "https://openlegislation.uk/notification-of-new-substances-regulations-1993",
  "path": "schedule/1/part/I",
  "kind": "part",
  "number": "I",
  "heading": "categories of danger and characteristic properties",
  "text": "Column 1\nColumn 2\nCategory of danger\nProperty\nPHYSICO-CHEMICAL PROPERTIES\nExplosive\nSolid, liquid, pasty or gelatinous substances which may also react exothermically without atmospheric oxygen thereby quickly evolving gases, and which under defined test conditions detonate, quickly deflagrate or upon heating explode when partially confined.\nOxidizing\nSubstances which give rise to a highly exothermic reaction in contact with other substances, particularly flammable substances.\nExtremely flammable\nLiquid substances having an extremely low flash point and a low boiling point and gaseous substances and preparations which are flammable in contact with air at ambient temperature and pressure.\nHighly flammable\nThe following substances, namely—\n(a) substances which may become hot and finally catch fire in contact with air at ambient temperature without any application of energy,\n(b) solid substances which may readily catch fire after brief contact with a source of ignition and which continue to burn or to be consumed after removal of the source of ignition,\n(c) liquid substances having a very low flash point, or\n(d) substances which, in contact with water or damp air, evolve highly flammable gases in dangerous quantities.\nFlammable\nLiquid substances having a low flash point.\nHEALTH EFFECTS\nVery toxic\nSubstances which in very low quantities cause death or acute or chronic damage to health when inhaled, swallowed or absorbed via the skin.\nToxic\nSubstances which in low quantities cause death or acute or chronic damage to health when inhaled, swallowed or absorbed via the skin.\nHarmful\nSubstances which may cause death or acute or chronic damage to health when inhaled, swallowed or absorbed via the skin.\nCorrosive\nSubstances which may, on contact with living tissues, destroy them.\nIrritant\nNon-corrosive substances which, through immediate, prolonged or repeated contact with the skin or mucous membrane, may cause inflammation.\nSensitizing\nSubstances which, if they are inhaled or if they penetrate the skin, are capable of eliciting a reaction of hypersensitization such that on further exposure to the substance, characteristic effects are produced.\nCarcinogenic\nSubstances which, if they are inhaled or ingested or if they penetrate the skin, may induce cancer or increase its incidence.\nMutagenic\nSubstances which, if they are inhaled or ingested or if they penetrate the skin, may induce heritable genetic defects or increase their incidence.\nToxic for reproduction\nSubstances which, if they are inhaled or ingested or if they penetrate the skin, may produce or increase the incidence of, non-heritable adverse effects in the progeny or the impairment of male or female reproductive functions or capacity.\nENVIRONMENT\nDangerous for the environment\nSubstances which, were they to enter into the environment would present or may present an immediate or delayed danger for one or more compartments of the environment.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1993/3050/schedule/1/part/I",
    "retrieved_at": "2026-10-29T13:45:27.938319+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}