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

Magnesium hexafluorosilicate

Magnesium hexafluorosilicate: dry Powder.

CAS 16949-65-8 Danger

01 · Identification

What Magnesium hexafluorosilicate is

Magnesium hexafluorosilicate: dry Powder.

Under the GHS it carries the signal word Danger.

02 · Identifiers

Magnesium hexafluorosilicate identifiers and molecular data

Magnesium hexafluorosilicate CAS number and EC number

CAS number16949-65-8
EC number241-022-2
Index number (CLP Annex VI)009-018-00-3

03 · GHS classification

Magnesium hexafluorosilicate hazard classification

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

Magnesium hexafluorosilicate pictograms and signal word

Signal wordDanger

Magnesium hexafluorosilicate hazard class and category

GHS hazard classes Magnesium hexafluorosilica… falls into
Hazard class Category From code Pictogram
Acute toxicity - oral GHS chapter 3.1 Category 3 H301 GHS06

Magnesium hexafluorosilicate hazard statements (H-codes)

Hazard statements assigned to Magnesium hexafluorosilica…
CodeHazard statement
H301 Toxic if swallowed.

This page lists only the codes assigned to Magnesium hexafluorosilica…. 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 Magnesium hexafluorosilica…

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 Magnesium hexafluorosi… 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

Magnesium hexafluorosilicate precautionary statements

CLP Annex VI assigns 4 precautionary statements to Magnesium hexafluorosilica…. 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

Magnesium hexafluorosilicate 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 магнезиев хексафлуоросиликат
Spanish español Hexafluorosilicato de magnesio
Czech čeština hexafluorokřemičitan hořečnatý
Danish dansk magnesiumhexafluorosilicat
German Deutsch Magnesiumhexafluorsilicat
Estonian eesti magneesiumheksafluorosilikaat
Greek ελληνικά εξαφθοροπυριτικό μαγνήσιο
English English magnesium hexafluorosilicate
French français hexafluorosilicate de magnésium
Croatian hrvatski magnezijev heksafluorosilikat
Italian italiano esafluorosilicato di magnesio
Latvian latviešu magnija heksafluorsilikāts
Lithuanian lietuvių magnio heksafluorsilikatas
Hungarian magyar magnézium-hexafluorszilikát
Maltese Malti eżafluworosilikat tal-manjeżju
Dutch Nederlands magnesiumhexafluorosilicaat
Polish polski heksafluorokrzemian magnezu
Portuguese português hexafluorossilicato de magnésio
Romanian română hexafluorosilicat de magneziu
Slovak slovenčina hexafluorokremičitan horečnatý
Slovenian slovenščina magnezijev heksafluorosilikat
Finnish suomi magnesiumheksafluorisilikaatti
Swedish svenska magnesiumhexafluorsilikat

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

Magnesium hexafluorosilicate GHS label elements

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

GHS06 Skull and crossbones pictogram

Danger

Magnesium hexafluorosilicate

  • Toxic if swallowed.
  • Do not eat, drink or smoke when using this product.
  • IF SWALLOWED:
  • Immediately call a POISON CENTER/doctor/
  • Rinse mouth.

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

Need this as an actual label? Open Magnesium hexafluorosilica… in the GHS label constructor →

07 · Health hazards

Magnesium hexafluorosilicate health hazards and exposure limits

Magnesium hexafluorosilicate hazard summary

Toxic by ingestion; May cause serious eye injury [Classifications by the EC] Not a skin irritant in rabbits (80% aqueous solution); Hematological and clinical chemistry changes, adverse dental effects, mineralization in bone tissue, interstitial nephritis, hyperkeratosis of the stomach, increased relative liver and kidney weights, and increased relative testes and adrenal weights in males observed in 4-week oral study of rats at 3,000 ppm dietary (approximately 300 mg/kg/day); [IUCLID] An eye irritant; Corrosive to mucous membranes; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; May cause osteofluorosis; [Gelest MSDS] See Magnesium. See Fluorosilicic acid. See Calcium hexafluorosilicate.

Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

Magnesium hexafluorosilicate occupational exposure limits

US occupational exposure limits reported for Magnesium hexafluorosilica…. PEL is enforceable (OSHA), REL is a recommendation (NIOSH), IDLH is the concentration at which escape becomes impossible without injury.
Limit Value Source
PEL 2.5 [mg/m3], as F Haz-Map, Information on Hazardous Chemicals and Occupational Diseases
IDLH 250.0 [mg/m3], as F Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

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 · Handling and storage

Magnesium hexafluorosilicate storage and handling

Magnesium hexafluorosilicate reactivity

MAGNESIUM FLUOROSILICATE gives basic aqueous solutions. Reacts with acids. Does not usually react as either oxidizing agents or reducing agents. It can react slowly with water to generate hydrofluoric acid, which can cause severe chemical burns and is one of the few materials that can etch glass.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check Magnesium hexafluorosilic… in the storage compatibility matrix →

09 · Questions

Magnesium hexafluorosilicate — frequently asked questions

What is the CAS number of Magnesium hexafluorosilicate?

The CAS number of Magnesium hexafluorosilicate is 16949-65-8. Its EC number is 241-022-2.

What does a Magnesium hexafluorosilicate label have to show?

Under CLP Annex VI the label for Magnesium hexafluorosilicate carries the pictogram Skull and crossbones and the signal word is Danger.

Is Magnesium hexafluorosilicate flammable?

CLP Annex VI assigns Magnesium hexafluorosilicate 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 Magnesium hexafluorosilicate a carcinogen?

CLP Annex VI records no harmonised carcinogenicity classification for Magnesium hexafluorosilicate. 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 Magnesium hexafluorosilicate?

The US occupational exposure limit reported for Magnesium hexafluorosilicate is 2.5 [mg/m3], as F (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.

Nearby

Substances next to Magnesium hexafluorosilica…

Keep going: substances starting with M, or search the whole database by name, CAS number, pictogram or signal word.

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