Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

Build a label

Substance profile

Dodecachloropentacyclo[5.2.1.02,6.03,9.05,8]decane

Dodecachloropentacyclo[5.2.1.02,6.03,9.05,8]decane is snow-white crystals from benzene and is odorless.

CAS 2385-85-5 Warning

01 · Identification

What Dodecachloropentacyclo[5.2.1.0… is

Dodecachloropentacyclo[5.2.1.02,6.03,9.05,8]decane is snow-white crystals from benzene and is odorless. It melts at 485 °C.

Under the GHS it carries the signal word Warning. It is classed as carcinogens.

02 · Identifiers

Dodecachloropentacyclo[5.2.1.0… identifiers and molecular data

Dodecachloropentacyclo[5.2.1.0… CAS number and EC number

CAS number2385-85-5
EC number219-196-6
Index number (CLP Annex VI)602-077-00-1

Dodecachloropentacyclo[5.2.1.0… molecular formula and molecular weight

Chemical class Carcinogens

Other names for Dodecachloropentacyclo[5.2.1.0…

  • mirex

03 · GHS classification

Dodecachloropentacyclo[5.2.1.0… hazard classification

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Dodecachloropentacyclo[5.2.1.0… pictograms and signal word

Signal wordWarning

Dodecachloropentacyclo[5.2.1.0… hazard class and category

GHS hazard classes Dodecachloropentacyclo[5.2… falls into
Hazard class Category From code Pictogram
Acute toxicity - oral GHS chapter 3.1 Category 4 H302 GHS07
Acute toxicity - dermal GHS chapter 3.1 Category 4 H312 GHS07
Carcinogenicity GHS chapter 3.6 Category 2 H351 GHS08
Reproductive toxicity GHS chapter 3.7 Category Lactation H362
Hazardous to the aquatic environment - acute GHS chapter 4.1 Category 1 H400 GHS09
Hazardous to the aquatic environment - chronic GHS chapter 4.1 Category 1 H410 GHS09

Dodecachloropentacyclo[5.2.1.0… hazard statements (H-codes)

Hazard statements assigned to Dodecachloropentacyclo[5.2…
CodeHazard statement
H351 Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
H361fd Suspected of damaging fertility. Suspected of damaging the unborn child.
H362 May cause harm to breast-fed children.
H312 Harmful in contact with skin.
H302 Harmful if swallowed.
H400 Very toxic to aquatic life.
H410 Very toxic to aquatic life with long lasting effects.

This page lists only the codes assigned to Dodecachloropentacyclo[5.2…. The full reference lives on the hazard statements hub, the precautionary statements hub and the GHS pictograms hub.

Safety Data Sheet

Getting an SDS for Dodecachloropentacyclo[5.2…

A Safety Data Sheet is written for a product, not for a substance: the supplier of the grade you actually buy issues it, so two suppliers of Dodecachloropentacyclo… issue two different sheets. That is why there is no single authoritative SDS for a substance to download — what there is, is the job of collecting the sheets for the products you hold and keeping them current as suppliers revise them.

04 · Precautionary statements

Dodecachloropentacyclo[5.2.1.0… precautionary statements

CLP Annex VI assigns 13 precautionary statements to Dodecachloropentacyclo[5.2…. They are grouped the way a label groups them: what to do before handling, what to do when something has already happened, how to store it and how to dispose of it.

Disposal

What has to happen to the contents and the empty container.

Reading the notation. is a blank the supplier fills in — not a truncated sentence.· [square brackets] mark a part printed only when it applies.

05 · Names in the regulation

Dodecachloropentacyclo[5.2.1.0… name in 23 EU languages

CLP Annex VI Part 3 is published in every language edition of the regulation, and the identification column is written out in each of them. Nothing below is translated by us: each line is the name as that edition prints it. Under Art. 18(2) the substance name from Annex VI is a lawful product identifier, so this is the wording to put on a label going to that market — and where the cell lists several designations, any one of them qualifies.

Language Name in CLP Annex VI Part 3
Bulgarian български додекахлоропентацикло[5.2.1.0 2,6 .0 3,9 .0 5,8 ]декан мирекс
Spanish español Dodecacloropentaciclo[5.2.1.0 2,6 .0 3,9 .0 5,8 ]-decano mirex
Czech čeština 1,2,3,3,4,5,6,7,8,8,9,10-dodekachlorpentacyklo[5.3.0.0 2,6 .0 3,9 .0 5,8 ]dekan mirex
Danish dansk dodecachlorpentacyclo[5.2.1.0 2,6 .0 3,9 .0 5,8 ]decan mirex
German Deutsch Dodecachlorpentacyclo [5.2.1.0 2,6 .0 3,9 .0 5,8 ] decan Mirex
Estonian eesti dodekakloropentatsüklo[5.2.1.02,6.03,9.05,8]dekaan mireks
Greek ελληνικά δωδεκαχλωροπεντακυκλο[5.2.1.0 2,6 .0 3,9 .0 5,8 ]δεκάνιο mirex
English English dodecachloropentacyclo[5.2.1.02,6.03,9.05,8]decane mirex
French français dodécachloropentacyclo[5.2.1.02,6.03,9.05,8]décane mirex
Croatian hrvatski dodekaklorpentaciklo[5.2.1.02,6.03,9.05,8]dekan mireks
Italian italiano dodecacloropentaciclo[5.2.1.02,6.03,9.05,8]decano mirex
Latvian latviešu dodekahlorpentaciklo[5.2.1.02,6.03,9.05,8]dekāns mirekss
Lithuanian lietuvių dodekachlorpentaciklo[5.2.1.02,6.03,9.05,8]dekanas mireksas
Hungarian magyar dodekaklór-pentaciklo[5.2.1.0 2,6 .0 3,9 .0 5,8 ]dekán mirex
Maltese Malti dodekakloropentaċiklo[5.2.1.02,6.03,9.05,8]dekan mireks
Dutch Nederlands dodecachloorpentacyclo[5.2.1.02,6.03,9.05,8]decaan mirex
Polish polski dodekachloropentacyklo[5.2.1.02,6.03,9.05,8]dekan mirex
Portuguese português dodecacloropentaciclo[5.2.1.0 2,6 .0 3,9 .0 5,8 ]decano mirex
Romanian română dodecacloropentaciclo[5.2.1.02,6.03,9.05,8]decan mirex
Slovak slovenčina dodekachlórpentacyklo[5.2.1.0 2,6 .0 3,9 .0 5,8 ]dekán mirex
Slovenian slovenščina dodekakloropentaciklo[5.2.1.02,6.03,9.05,8]dekan mireks
Finnish suomi dodekaklooripentasyklo[5.2.1.0 2.6 .0 3.9 .0 5.8 ]dekaani mireksi
Swedish svenska dodekaklorpentacyklo[5.2.1.02,6.03,9.05,8]dekan mirex

All 23 language editions of Annex VI carry this entry. Irish is the twenty-fourth official EU language and has no line here for a different reason: no consolidated CLP text has ever been published in Irish, so there is no Irish edition of Annex VI to quote a name from. Source: consolidated CLP, CELEX 02008R1272, language editions. © European Union, https://eur-lex.europa.eu — only the electronic Official Journal of the European Union is authentic.

06 · Label elements

Dodecachloropentacyclo[5.2.1.0… GHS label elements

Everything CLP Annex VI fixes for Dodecachloropentacyclo[5.2…, laid out the way it appears on a label. The greyed lines are the parts only the supplier can fill in.

GHS08 Health hazard pictogramGHS07 Exclamation mark pictogramGHS09 Environment pictogram

Warning

Dodecachloropentacyclo[5.2.1.0…

  • Suspected of causing cancer <state route of exposure if it is conclusively proven that no other routes of exposure cause the hazard>.
  • Suspected of damaging fertility. Suspected of damaging the unborn child.
  • May cause harm to breast-fed children.
  • Harmful in contact with skin.
  • Harmful if swallowed.
  • Very toxic to aquatic life.
  • Very toxic to aquatic life with long lasting effects.
  • Obtain special instructions before use.
  • Do not eat, drink or smoke when using this product.
  • Avoid release to the environment.
  • Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/
  • IF SWALLOWED:
  • IF ON SKIN:
  • IF exposed or concerned:
  • Call a POISON CENTER/doctor/ if you feel unwell.
  • Get medical advice/attention.
  • Rinse mouth.
  • Wash with plenty of water/
  • Collect spillage.
  • Dispose of contents/container to

Supplier name, address and telephone number· Product identifier·Nominal quantity

Need this as an actual label? Open Dodecachloropentacyclo[5.2… in the GHS label constructor →

07 · Health hazards

Dodecachloropentacyclo[5.2.1.0… health hazards and exposure limits

Dodecachloropentacyclo[5.2.1.0… hazard summary

Mirex and chlordecone are two separate, but chemically similar, manufactured insecticides that do not occur naturally in the environment. Mirex is a white crystalline solid, and chlordecone is a tan-white crystalline solid. Both chemicals are odorless. Mirex and chlordecone have not been manufactured or used in the United States since 1978. Mirex was used to control fire ants, and as a flame retardant in plastics, rubber, paint, paper, and electrical goods from 1959 to 1972. Chlordecone was used as an insecticide on tobacco, ornamental shrubs, bananas, and citrus trees, and in ant and roach traps. Mirex was sold as a flame retardant under the trade name Dechlorane, and chlordecone was also known as Kepone. Use of trade names is for identification only and does not imply endorsement by the Agency for Toxic Substances and Disease Registry, the Public Health Service, or the U.S. Department of Health and Human Services.

Source: Agency for Toxic Substances and Disease Registry (ATSDR)

Dodecachloropentacyclo[5.2.1.0… carcinogenicity classification

IARC classification Group 2B — Possibly carcinogenic to humans
IARC monographs Volume 20: (1979) Some Halogenated Hydrocarbons

Under the conditions of these 2-year feed studies of mirex, there is clear evidence of carcinogenic activity for male and female F344/N rats, as primarily indicated by marked increased incidences of benign neoplastic nodules of the liver, as well as by increased incidences of pheochromocytomas of the adrenal gland and transitional cell papillomas of the kidney in males and by increased incidences of mononuclear cell leukemia in females.

Source: US National Toxicology Program · TR-313: Toxicology and Carcinogenesis Studies of Mirex (1,1a,2,2,3,3a,4,5,5,5a,5b,6-Dodecachlorooctahydro-1,3,4-metheno-1H-cyclobuta[cd]pentalene) (CASRN 2385-85-5) in F344/N Rats (Feed Studies) (1990 )

Classification of carcinogenicity: 1) evidence in humans: no data; 2) evidence in animals: sufficient. Overall summary evaluation of carcinogenic risk to humans is Group 2B: The agent is possibly carcinogenic to humans. /From table/

Source: Hazardous Substances Data Bank (HSDB)

Mirex: reasonably anticipated to be a human carcinogen.

Source: Hazardous Substances Data Bank (HSDB)

An IARC group and a CLP classification answer different questions. IARC judges whether the evidence for cancer in humans is strong enough; CLP Annex VI is the legally binding EU classification. A substance can carry one and not the other.

08 · Physical and chemical properties

Dodecachloropentacyclo[5.2.1.0… properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Dodecachloropentacyclo[5.2.1.0… boiling point

Property Value Conditions Source
Boiling point 485 °C (905 °F) decomposes, at 1 mmHg (reduced pressure) CAMEO

Dodecachloropentacyclo[5.2.1.0… melting point

Property Value Conditions Source
Melting point 485 °C (905 °F) decomposes, decomposes HSDB
485 °C (905 °F) decomposes CAMEO

Dodecachloropentacyclo[5.2.1.0… solubility

Property Value Conditions Source
Solubility less than 1 mg/mL at 75 °F (NTP, 1992) at 23.89 °C CAMEO
In water, 0.085 mg/L at 25 °C at 25 °C HSDB

Dodecachloropentacyclo[5.2.1.0… vapor pressure

Property Value Conditions Source
Vapor pressure 8e-7 mmHg at 25 °C HSDB
3e-7 mmHg at 25 °C CAMEO
8e-7 mmHg Haz-Map

Dodecachloropentacyclo[5.2.1.0… lower explosive limit (LEL)

Property Value Conditions Source
Lower explosive limit (LEL) The explosion hazard will depend on the solvent used in the formulation, or on the characteristics of the dust. HSDB

Dodecachloropentacyclo[5.2.1.0… vapor density

Property Value Conditions Source
Vapor density 18.8 (air = 1) CAMEO

Dodecachloropentacyclo[5.2.1.0… odor threshold

Property Value Conditions Source
Odor threshold Odor low 5.0667 mg/cu m; Odor high 5.0667 mg/cu m. HSDB

Dodecachloropentacyclo[5.2.1.0… corrosivity

Property Value Conditions Source
Corrosivity Practically non-corrosive to metals HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

09 · Fire and explosion

Dodecachloropentacyclo[5.2… fire and explosion behaviour

These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.

Dodecachloropentacyclo[5.2.1.0… fire potential

Supports combustion

Source: Hazardous Substances Data Bank (HSDB)

Solubility

15.3% in dioxane at room temp; 14.3% in xylene at room temp; 12.2% in benzene at room temp; 7.2% in carbon tetrachloride at room temp; 5.6% in methyl ethyl ketone at room temp

Source: HSDB

10 · Handling and storage

Dodecachloropentacyclo[5.2.1.0… storage and handling

Dodecachloropentacyclo[5.2.1.0… storage conditions

Products should be stored in locked buildings, preferably dedicated to insecticides. Keep products out of reach of children and unauthorized personnel. Do not store near foodstuffs or animal feed.

Source: Hazardous Substances Data Bank (HSDB)

Dodecachloropentacyclo[5.2.1.0… reactivity

MIREX is sensitive to exposure to sunlight. This compound may react with strong oxidizers. It reacts with lithium and tertiary butyl alcohol. (NTP, 1992)

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check Dodecachloropentacyclo[5.… in the storage compatibility matrix →

11 · Questions

Dodecachloropentacyclo[5.2.1.0… — frequently asked questions

What is the CAS number of Dodecachloropentacyclo[5.2.1.0…?

The CAS number of Dodecachloropentacyclo[5.2.1.0… is 2385-85-5. Its EC number is 219-196-6.

What does a Dodecachloropentacyclo[5.2.1.0… label have to show?

Under CLP Annex VI the label for Dodecachloropentacyclo[5.2.1.0… carries the pictograms Health hazard, Exclamation mark and Environment and the signal word is Warning.

Is Dodecachloropentacyclo[5.2.1.0… flammable?

CLP Annex VI assigns Dodecachloropentacyclo[5.2.1.0… no flammability hazard class. That is not a statement that it cannot burn: the harmonised list only records the hazards that were assessed for it.

Is Dodecachloropentacyclo[5.2.1.0… a carcinogen?

CLP Annex VI assigns Dodecachloropentacyclo[5.2.1.0… H351 — suspected of causing cancer. That is category 2: the evidence points that way but is not conclusive. IARC places it in Group 2B: possibly carcinogenic to humans.

What is the boiling point of Dodecachloropentacyclo[5.2.1.0…?

The boiling point reported for Dodecachloropentacyclo[5.2.1.0… is 485 °C (905 °F), decomposes, at 1 mmHg (reduced pressure) (CAMEO).

What is the melting point of Dodecachloropentacyclo[5.2.1.0…?

The melting point reported for Dodecachloropentacyclo[5.2.1.0… is 485 °C (905 °F), decomposes, decomposes (HSDB).

How should Dodecachloropentacyclo[5.2.1.0… be stored?

Products should be stored in locked buildings, preferably dedicated to insecticides. Keep products out of reach of children and unauthorized personnel. Do not store near foodstuffs or animal feed. (Hazardous Substances Data Bank (HSDB))

Get the free GHS / CLP / OSHA deadline calendar

Verified 2026–2029 compliance dates in one PDF — plus alerts when the rules change.