Provenance

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

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Substance profile

Cyhexatin

Cyhexatin is a white crystalline powder and is odorless.

CAS 13121-70-5 C18H34OSn 385.2 g/mol Warning

01 · Identification

What Cyhexatin is

Cyhexatin is a white crystalline powder and is odorless. Its molecular formula is C18H34OSn and its molecular weight is 385.2 g/mol. It boils at 228 °C, melts at 196 °C.

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

02 · Identifiers

Cyhexatin identifiers and molecular data

Cyhexatin CAS number and EC number

CAS number13121-70-5
EC number236-049-1
Index number (CLP Annex VI)050-002-00-0

Cyhexatin molecular formula and molecular weight

Molecular formulaC18H34OSn
Molecular weight385.2 g/mol
Chemical class Teratogens

Other names for Cyhexatin

  • cyhexatin (ISO)
  • hydroxytricyclohexylstannane
  • tri(cyclohexyl)tin hydroxide

03 · GHS classification

Cyhexatin hazard classification

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

Cyhexatin pictograms and signal word

Signal wordWarning

Cyhexatin hazard class and category

GHS hazard classes Cyhexatin 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
Acute toxicity - inhalation GHS chapter 3.1 Category 4 H332 GHS07
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

Cyhexatin hazard statements (H-codes)

Hazard statements assigned to Cyhexatin
CodeHazard statement
H332 Harmful if inhaled.
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 Cyhexatin. 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 Cyhexatin

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 Cyhexatin 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

Cyhexatin precautionary statements

CLP Annex VI assigns 13 precautionary statements to Cyhexatin. 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

Cyhexatin 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 цихексакалай (ISO) хидрокситрициклохексилстанантри(циклохексил)калаен хидроксид
Spanish español Cihexatina (ISO) hidroxitriciclohexilestannanohidróxido de tri(ciclohexil)estaño
Czech čeština cyhexatin (ISO) tricyklohexyl(hydroxy)stannan
Danish dansk cyhexatin (ISO) hydroxytricyclohexylstannantri(cyclohexyl)tinhydroxid
German Deutsch Cyhexatin (ISO) HydroxytricyclohexylstannanTricyclohexylzinnhydroxid
Estonian eesti tsüheksatiin (ISO) hüdroksütritsükloheksüülstannaantri(tsükloheksüül)tinahüdroksiid
Greek ελληνικά cyhexatin (κυεξατίνη) (ISO) υδροξυτρικυκλοεξυλoκασσιτεράνιουδροξείδιο του τρι(κυκλοεξυλο)κασσιτέρου
English English cyhexatin (ISO) hydroxytricyclohexylstannanetri(cyclohexyl)tin hydroxide
French français cyhéxatin (ISO) hydroxytricyclohexylstannanehydroxyde de tri(cyclohexyl)étain
Croatian hrvatski ciheksatin (ISO) hidroksitricikloheksilstanantri(cikloheksil)kositrov hidroksid
Italian italiano ciexatin (ISO) tricicloesilidrossistannano idrossido di tri(cicloesil)stagno
Latvian latviešu ciheksatīns (ISO) hidroksitricikloheksilstannānstri(cikloheksil)alvas hidroksīds
Lithuanian lietuvių ciheksatinas (ISO) hidroksitricikloheksilstananastri(cikloheksil)alavo hidroksidas
Hungarian magyar cihexatin (ISO) hidroxitriciklohexil-óntri(ciklohexil)ón-hidroxid
Maltese Malti ċjessatina (ISO) idrossitriċikloessilstannantri(ċikloessil)idrossidu tal-landa
Dutch Nederlands cyhexatin (ISO) hydroxytricyclohexylstannaantri(cyclohexyl)tinhydroxide
Polish polski cyheksatyna (ISO) hydroksytri(cykloheksylo)stannanwodorotlenek tri(cykloheksylo)cyny
Portuguese português ci-hexaestanho (ISO) hidroxitriciclo-hexilestananohidróxido de tri(ciclo-hexil)estanho
Romanian română cihexatin (ISO) hidroxid de triciclohexilstananhidroxid de tri(ciclohexil)staniu
Slovak slovenčina cyhexatín (ISO) hydroxytri(cyklohexyl)stanántri(cyklohexyl)stanium-hydroxid
Slovenian slovenščina ciheksatin (ISO) hidroksitricikloheksilstanantri(cikloheksil)kositrov hidroksid
Finnish suomi syheksatiini (ISO) hydroksitrisykloheksyylistannaanitri(sykloheksyyli)tinahydroksidi
Swedish svenska cyhexatin (ISO) hydroxitricyklohexylstannantri(cyklohexyl)tennhydroxid

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

Cyhexatin GHS label elements

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

GHS07 Exclamation mark pictogramGHS09 Environment pictogram

Warning

Cyhexatin

  • Harmful if inhaled.
  • Harmful in contact with skin.
  • Harmful if swallowed.
  • Very toxic to aquatic life.
  • Very toxic to aquatic life with long lasting effects.
  • Do not breathe dust/fume/gas/mist/vapours/spray.
  • Do not eat, drink or smoke when using this product.
  • Use only outdoors or in a well-ventilated area.
  • Avoid release to the environment.
  • Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/
  • IF SWALLOWED:
  • IF ON SKIN:
  • IF INHALED:
  • Call a POISON CENTER/doctor/ if you feel unwell.
  • 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 Cyhexatin in the GHS label constructor →

07 · Health hazards

Cyhexatin health hazards and exposure limits

Cyhexatin carcinogenicity classification

Cancer Classification: Data are Inadequate for an Assessment of Human Carcinogenic Potential

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.

Cyhexatin occupational exposure limits

US occupational exposure limits reported for Cyhexatin. PEL is enforceable (OSHA), REL is a recommendation (NIOSH), IDLH is the concentration at which escape becomes impossible without injury.
Limit Value Source
PEL 0.1 [mg/m3], as Sn Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
PEL 0.1 mg/m³ (Tin, organic compounds) Occupational Safety and Health Administration (OSHA)
PEL TWA 0.32 mg/m3 [0.1 mg/m3 (as Sn)] See Appendix G The National Institute for Occupational Safety and Health (NIOSH)
REL 5 mg/m³ Occupational Safety and Health Administration (OSHA)
REL TWA 5 mg/m3 The National Institute for Occupational Safety and Health (NIOSH)
IDLH 80 mg/m3 [25 mg Sn/m3] (NIOSH, 2024) CAMEO Chemicals
IDLH 25.0 [mg/m3], as Sn Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
IDLH 80 mg/cu m [25 mg/cu m (as Sn)] Hazardous Substances Data Bank (HSDB)

These are United States values. The European Union sets its own indicative and binding limits, and the figure that applies at a given workplace is the one in the local regulation — not the one shown here.

08 · Physical and chemical properties

Cyhexatin 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.

Cyhexatin boiling point

Property Value Conditions Source
Boiling point 227.78 °C (442 °F) decomposes NIOSH
227.78 °C (442 °F) decomposes, at 760 mmHg CAMEO

Cyhexatin melting point

Property Value Conditions Source
Melting point 196 °C (384.8 °F) HSDB
195 °C (383 °F) NIOSH

Cyhexatin solubility

Property Value Conditions Source
Solubility Insoluble NIOSH
In water <1 mg/l (25 °C) at 25 °C HSDB

Cyhexatin vapor pressure

Property Value Conditions Source
Vapor pressure 0 mmHg approx NIOSH

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

09 · Source notes

Further notes on Cyhexatin

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.

Solubility

In acetone 1.3 g/kg at 25 °C; in chloroform 216 g/kg at 25 °C; in methanol 37 g/kg at 25 °C; in toluene 10 g/kg at 25 °C; in dichloromethane 34 g/kg at 25 °C; in carbon tetrachloride 28 g/kg at 25 °C; in benzene 16 g/kg at 25 °C; in xylene 3.6 g/kg at 25 °C

Source: HSDB

10 · Handling and storage

Cyhexatin storage and handling

Cyhexatin storage conditions

Keep in cool place. Keep contents under ... (appropriate liquid to be specified by the manufacturer). Keep under ... (inert gas to be specified by the manufacturer). Keep container tightly closed. Keep container dry. Keep container in well-ventilated place. Do not keep the container sealed.

Source: Hazardous Substances Data Bank (HSDB)

Cyhexatin incompatible materials

Strong oxidizers, ultraviolet light.

Source: Hazardous Substances Data Bank (HSDB)

Cyhexatin reactivity

CYHEXATIN is incompatible with strong oxidizing agents. Soluble in some organic solvents (acetone 1.3 g/L; xylenes 3.6 g/L; carbon tetrachloride 28 g/L; dichloromethane 34 g/L). Stable in aqueous suspensions in neutral and alkaline pH (above pH 6), but reacts exothermically as a base in the presence of strong acids to form salts. Converts to dicyclohexyltin oxide and further to cyclohexylstannoic acid upon exposure to ultraviolet radiation.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check Cyhexatin in the storage compatibility matrix →

11 · Questions

Cyhexatin — frequently asked questions

What is the CAS number of Cyhexatin?

The CAS number of Cyhexatin is 13121-70-5. Its EC number is 236-049-1.

What is the chemical formula of Cyhexatin?

The molecular formula of Cyhexatin is C18H34OSn and its molecular weight is 385.2 g/mol.

What does a Cyhexatin label have to show?

Under CLP Annex VI the label for Cyhexatin carries the pictograms Exclamation mark and Environment and the signal word is Warning.

Is Cyhexatin flammable?

CLP Annex VI assigns Cyhexatin 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 Cyhexatin a carcinogen?

CLP Annex VI records no harmonised carcinogenicity classification for Cyhexatin. Annex VI is a list of agreed classifications, not a list of substances found safe, so this is an absence of a classification rather than a clean bill of health.

What is the exposure limit for Cyhexatin?

The US occupational exposure limit reported for Cyhexatin is 0.1 [mg/m3], as Sn (Haz-Map, Information on Hazardous Chemicals and Occupational Diseases). Limits differ by country: the EU sets its own indicative and binding values, and the figure that applies at a given workplace is the one in the local regulation.

What is the boiling point of Cyhexatin?

The boiling point reported for Cyhexatin is 227.78 °C (442 °F), decomposes (NIOSH).

What is the melting point of Cyhexatin?

The melting point reported for Cyhexatin is 196 °C (384.8 °F) (HSDB).

How should Cyhexatin be stored?

Keep in cool place. Keep contents under ... (appropriate liquid to be specified by the manufacturer). Keep under ... (inert gas to be specified by the manufacturer). Keep container tightly closed. Keep container dry. Keep container in well-ventilated place. Do not keep the container sealed. (Hazardous Substances Data Bank (HSDB))

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