Substance profile
Thioquinox
Thioquinox is a brownish yellow solid and is odorless.
01 · Identification
What Thioquinox is
Thioquinox is a brownish yellow solid and is odorless. Its molecular formula is C9H4N2S3 and its molecular weight is 236.3 g/mol. It melts at 180 °C, is practically insoluble in water.
Under the GHS it carries the signal word Warning.
02 · Identifiers
Thioquinox identifiers and molecular data
Thioquinox CAS number and EC number
Thioquinox molecular formula and molecular weight
Other names for Thioquinox
- thioquinox (ISO)
- 2-thio-1,3-dithiolo(4,5,b)quinoxaline
03 · GHS classification
Thioquinox hazard classification
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
Thioquinox pictograms and signal word
Thioquinox hazard class and category
| Hazard class | Category | From code | Pictogram |
|---|---|---|---|
| Acute toxicity - oral GHS chapter 3.1 | Category 4 | H302 | GHS07 |
Thioquinox hazard statements (H-codes)
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
This page lists only the codes assigned to Thioquinox. 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 Thioquinox
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 Thioquinox 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
Thioquinox precautionary statements
CLP Annex VI assigns 4 precautionary statements to Thioquinox. 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.
Prevention
What to do before and during handling so the hazard never happens.
Response
What to do once exposure, spillage or fire has already happened.
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
Thioquinox 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 | тиохинокс (ISO) 2-тио-1,3-дитиоло(4,5- b )хиноксалин |
| Spanish español | Tioquinox (ISO) 2-tio-1,3-ditiolo(4,5,b)quinoxalina |
| Czech čeština | thiochinox (ISO) 2 H -[1,3]dithiolo[4,5- b ]chinoxalin-2-thion |
| Danish dansk | thioquinox (ISO) 2-thio-1,3-dithiolo(4,5,b)quinoxalin |
| German Deutsch | Thioquinox(ISO) 2-Thio-1,3-dithiolo(4,5,b)chinoxalin |
| Estonian eesti | tiokinoks (ISO) 2-tio-1,3-ditiolo(4,5,b)kinoksaliin |
| Greek ελληνικά | thioquinox (θειοκινόξη) (ISO) 2-θειο-1,3-διθειολο(4,5,b)κινοξαλίνη |
| English English | thioquinox(ISO) 2-thio-1,3-dithiolo(4,5,b)quinoxaline |
| French français | thioquinox (ISO) 2-thio-1,3-dithiolo(4,5,b)quinoxaline |
| Croatian hrvatski | tiokinoks (ISO) 2-tio-1,3-ditiolo(4,5,b)kinoksalin |
| Italian italiano | thioquinox(ISO) 1,3-ditiolo[4,5,b]-chinossalin-2-tione |
| Latvian latviešu | tiohinokss (ISO) 2-tio-1,3-ditiolo(4,5,b)hinoksalīns |
| Lithuanian lietuvių | tiochinoksas (ISO) 2-tio-1,3-disulfanido(4,5,b)chinoksalinas |
| Hungarian magyar | tiokinox (ISO) 2-tio-1,3-ditiolo(4,5,b)kinoxalin |
| Maltese Malti | tioquinox(ISO) 2-tio-1,3-ditiolo(4,5,b)quinossaline |
| Dutch Nederlands | thioquinox (ISO) 2-thio-1,3-dithiolo(4,5,b)chinoxaline |
| Polish polski | tiochinoks (ISO) tritiowęglan chinoksalin-2,3-diylu |
| Portuguese português | tioquinox (ISO) 2-tio-1,3-ditiolo[4,5- b ]quinoxalina |
| Romanian română | tioquinox (ISO) 1,3-ditiolo[4,5b] chinoxalin-2-tionă |
| Slovak slovenčina | tiochinox (ISO) [1,3]ditiolo[4,5- b ]chinoxalín-2(2H)-tión |
| Slovenian slovenščina | tiokinoks (ISO) 2-tio-1,3-ditiolo(4,5,b)kinoksalin |
| Finnish suomi | tiokinoksi (ISO) 1,3-ditiolo[4,5-b]kinoksaliini-2-tioni |
| Swedish svenska | tiokinox (ISO) 2-tio-1,3-ditiolo(4,5,b)kinoxalin |
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
Thioquinox GHS label elements
Everything CLP Annex VI fixes for Thioquinox, laid out the way it appears on a label. The greyed lines are the parts only the supplier can fill in.
Warning
Thioquinox
- Harmful if swallowed.
- Do not eat, drink or smoke when using this product.
- IF SWALLOWED:
- Call a POISON CENTER/doctor/… if you feel unwell.
- Rinse mouth.
Supplier name, address and telephone number· Product identifier·Nominal quantity
Need this as an actual label? Open Thioquinox in the GHS label constructor →
07 · Health hazards
Thioquinox health hazards and exposure limits
Thioquinox hazard summary
Technical product caused skin irritation in 2 of 8 people tested; No adverse effects in rats after skin applications of 3000 mg/kg; Rats fed 100 mg/kg/day for 2 weeks had weakness, weight loss, and one death; Lethal human dose is probably 1 ounce to 1 pint; [HSDB]
Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
08 · Physical and chemical properties
Thioquinox 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.
Thioquinox melting point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 180 °C (356 °F) | HSDB |
Thioquinox solubility
| Property | Value | Conditions | Source |
|---|---|---|---|
| Solubility | Slightly soluble in acetone, methanol. Anhydrous ethanol, -petroleum ether and kerosene | HSDB | |
| Insoluble in water | HSDB | ||
| PRACTICALLY INSOL IN MOST ORG SOLVENTS | HSDB |
Thioquinox vapor pressure
| Property | Value | Conditions | Source |
|---|---|---|---|
| Vapor pressure | 1e-7 mmHg | at 20 °C | HSDB |
| 6e-8 mmHg | Haz-Map |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
09 · Questions
Thioquinox — frequently asked questions
What is the CAS number of Thioquinox?
The CAS number of Thioquinox is 93-75-4. Its EC number is 202-272-8.
What is the chemical formula of Thioquinox?
The molecular formula of Thioquinox is C9H4N2S3 and its molecular weight is 236.3 g/mol.
What does a Thioquinox label have to show?
Under CLP Annex VI the label for Thioquinox carries the pictogram Exclamation mark and the signal word is Warning.
Is Thioquinox flammable?
CLP Annex VI assigns Thioquinox 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 Thioquinox a carcinogen?
CLP Annex VI records no harmonised carcinogenicity classification for Thioquinox. 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 melting point of Thioquinox?
The melting point reported for Thioquinox is 180 °C (356 °F) (HSDB).
Nearby
Substances next to Thioquinox
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