Substance profile
Guanidine Hydrochloride
Guanidine Hydrochloride: large Crystals; Dry Powder; Liquid.
01 · Identification
What Guanidine Hydrochloride is
Guanidine Hydrochloride: large Crystals; Dry Powder; Liquid. It melts at 183 °C.
Under the GHS it carries the signal word Warning.
02 · Identifiers
Guanidine Hydrochloride identifiers and molecular data
Guanidine Hydrochloride CAS number and EC number
Other names for Guanidine Hydrochloride
- guanidinium chloride
- guanadine hydrochloride
03 · GHS classification
Guanidine Hydrochloride hazard classification
Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.
Guanidine Hydrochloride pictograms and signal word
Guanidine Hydrochloride hazard class and category
| Hazard class | Category | From code | Pictogram |
|---|---|---|---|
| Acute toxicity - oral GHS chapter 3.1 | Category 4 | H302 | GHS07 |
| Skin corrosion/irritation GHS chapter 3.2 | Category 2 | H315 | GHS07 |
| Serious eye damage/eye irritation GHS chapter 3.3 | Category 2A | H319 | GHS07 |
Guanidine Hydrochloride hazard statements (H-codes)
| Code | Hazard statement |
|---|---|
| H302 | Harmful if swallowed. |
| H315 | Causes skin irritation. |
| H319 | Causes serious eye irritation. |
This page lists only the codes assigned to Guanidine Hydrochloride. 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 Guanidine Hydrochloride
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 Guanidine Hydrochlorid… 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
Guanidine Hydrochloride precautionary statements
CLP Annex VI assigns 13 precautionary statements to Guanidine Hydrochloride. 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
Guanidine Hydrochloride 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 | гуанидиниев хлорид гуанидинхидрохлорид |
| Spanish español | Cloruro de guanidinio clorhidrato de guanidina |
| Czech čeština | guanidin-chlorid guanidin-hydrochlorid |
| Danish dansk | guanidinhydrochlorid guanidiniumchlorid |
| German Deutsch | Guanidiniumchlorid Guanadinhydrochlorid |
| Estonian eesti | guanidiiniumkloriid guanidiinvesinikkloriid |
| Greek ελληνικά | χλωριούχο γουανιδίνιο υδροχλωρική γουαναδίνη |
| English English | guanidinium chloride guanadine hydrochloride |
| French français | chlorure de guanidinium chlorhydrate de guanidine |
| Croatian hrvatski | gvanidin-klorid gvanadin-hidroklorid |
| Italian italiano | guanidinio cloruro |
| Latvian latviešu | guanidīnija hlorīds guanidīna hidrohlorīds |
| Lithuanian lietuvių | guanidinio chloridas guanidino rūgštusis chloridas |
| Hungarian magyar | guanidínium-klorid guanidin-hidroklorid |
| Maltese Malti | klorur tal-gwanidju idroklorur tal-gwanadin |
| Dutch Nederlands | guanidiniumchloride guanadinehydrochloride |
| Polish polski | chlorek guanidynium chlorowodorek guanidynychlorek guanidyny |
| Portuguese português | cloreto de guanidínio cloridrato de guanidina |
| Romanian română | clorură de guanidiniu clorhidrat de guanidină |
| Slovak slovenčina | guanidínium-chlorid hydrochlorid guanidínu |
| Slovenian slovenščina | gvanidinijev klorid gvanidin hidroklorid |
| Finnish suomi | guanidiniumkloridi guanidiinihydrokloridi |
| Swedish svenska | guanidiniumklorid guanidinhydroklorid |
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
Guanidine Hydrochloride GHS label elements
Everything CLP Annex VI fixes for Guanidine Hydrochloride, laid out the way it appears on a label. The greyed lines are the parts only the supplier can fill in.
Warning
Guanidine Hydrochloride
- Harmful if swallowed.
- Causes skin irritation.
- Causes serious eye irritation.
- Wash … thoroughly after handling.
- Do not eat, drink or smoke when using this product.
- Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/…
- IF SWALLOWED:
- IF ON SKIN:
- IF IN EYES:
- Call a POISON CENTER/doctor/… if you feel unwell.
- Get medical advice/attention.
- Rinse mouth.
- If skin irritation occurs:
- If eye irritation persists:
- Remove contact lenses, if present and easy to do. Continue rinsing.
- Wash with plenty of water/…
Supplier name, address and telephone number· Product identifier·Nominal quantity
Need this as an actual label? Open Guanidine Hydrochloride in the GHS label constructor →
07 · Physical and chemical properties
Guanidine Hydrochloride 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.
Guanidine Hydrochloride melting point
| Property | Value | Conditions | Source |
|---|---|---|---|
| Melting point | 183 °C (361.4 °F) | DOE PAC | |
| 181.5 °C (358.7 °F) | range, midpoint shown | ICSC |
Guanidine Hydrochloride density
| Property | Value | Conditions | Source |
|---|---|---|---|
| Density | 1.3 g/cm³ | ICSC |
Guanidine Hydrochloride solubility
| Property | Value | Conditions | Source |
|---|---|---|---|
| Solubility | Solubility in water, g/100ml at 20 °C: 215 | at 20 °C | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
08 · Handling and storage
Guanidine Hydrochloride storage and handling
Guanidine Hydrochloride safe storage
Well closed. Dry.
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
Planning storage for a mix of chemicals? Check Guanidine Hydrochloride in the storage compatibility matrix →
09 · Questions
Guanidine Hydrochloride — frequently asked questions
What is the CAS number of Guanidine Hydrochloride?
The CAS number of Guanidine Hydrochloride is 50-01-1. Its EC number is 200-002-3.
What does a Guanidine Hydrochloride label have to show?
Under CLP Annex VI the label for Guanidine Hydrochloride carries the pictogram Exclamation mark and the signal word is Warning.
Is Guanidine Hydrochloride flammable?
CLP Annex VI assigns Guanidine Hydrochloride 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 Guanidine Hydrochloride a carcinogen?
CLP Annex VI records no harmonised carcinogenicity classification for Guanidine Hydrochloride. 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 Guanidine Hydrochloride?
The melting point reported for Guanidine Hydrochloride is 183 °C (361.4 °F) (DOE PAC).
Nearby
Substances next to Guanidine Hydrochloride
Keep going: substances starting with G, or search the whole database by name, CAS number, pictogram or signal word.