Hydrazoic acid
Also known as Hydrogen azide, Triazoic acid, Azoimide
Key facts
What buyers check first
- Appearance
- Colorless liquid
- Melting point
- -80 °C
- Boiling point
- 35.7 °C
- Density
- 1.09 at 25 °C/4 °C
- HS code
- 282510
- Category
- Silicates, borates and other salts
What is Hydrazoic acid?
Plain description, key identifiers and synonyms
Hydrogen azide is a nitrogen hydride. It is a conjugate acid of an azide anion.
Hydrazoic acid is an unstable, toxic chemical compound.
Identifiers
Registry numbers, names and line notations, tap to copy
- CAS number
- 7782-79-8 CAS number cross-checked
- EC number
- 231-965-8
- Molecular formula
- HN3
- UNII
- 6P5C4D5D7I
- InChIKey
- JUINSXZKUKVTMD-UHFFFAOYSA-N
- InChI
- InChI=1S/HN3/c1-3-2/h1H
- SMILES (canonical and isomeric)
- N=[N+]=[N-]
Synonyms
- Hydrogen azide
- Triazoic acid
- Azoimide
- Hydronitric acid
- Diazoimide
- Stickstoffwasserstoffsaeure
- Azidic acid
- [NNNH]
- hydrogen trinitride(1-)
- Triaza-1,2-dien-2-ium-1-ide
- H-N(3)
- hydrido-1kappaH-trinitrogen(2N--N)
- hydrido-1kappaH-trinitrogen(2N--N)hydrogen trinitride(1-)
Physical and chemical properties
Measured values and descriptors computed from the structure
Physical and chemical properties
Measured values, check the supplier specification for your grade
| Appearance | Colorless liquidexp.Measured value |
|---|---|
| Odour | Obnoxious odorexp.Measured value |
| Melting point | -80 °Cexp.Measured value |
| Boiling point | 35.7 °Cexp.Measured value |
| Density | 1.09 at 25 °C/4 °Cexp.Measured value |
| Vapour pressure | 484 mmHgexp.Measured value |
Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.
Computed descriptors
Calculated from the structure, useful for screening and formulation
| Molecular weight | 43.03 g/molcalc.Computed value |
|---|---|
| Exact mass | 43.017 Dacalc.Computed value |
| LogP (octanol/water) | 0.88calc.Computed value |
| Topological polar surface area | 60.25 Ųcalc.Computed value |
| Hydrogen bond donors | 1calc.Computed value |
| Hydrogen bond acceptors | 1calc.Computed value |
| Rotatable bonds | 0calc.Computed value |
| Heavy atoms | 3calc.Computed value |
| Rings | 0calc.Computed value |
| Aromatic rings | 0calc.Computed value |
| Fraction sp3 carbons | 0calc.Computed value |
| Formal charge | 0calc.Computed value |
| Stereocentres | 0calc.Computed value |
Calculated for screening. Confirm critical figures with the supplier.
Safety and hazards
GHS classification summary, not a safety data sheet
GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.
Full safety data and first aidHydrazoic acid suppliers
Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings
Post one free request and suppliers who make or trade Hydrazoic acid can send you quotes. Your contact details stay private until you accept a quote.
Hydrazoic acid price
Indicative price range per kg from live supplier offers
Suppliers quote this chemical on request. Send one free request and compare quotes side by side.
Uses and applications
What the substance is used for, by industry and function
Industrially in preparation of heavy metal azides for shell detonators.
Industries and functions
Roles
- electron-transport chain inhibitor
- enzyme inhibitor
- mitochondrial respiratory-chain inhibitor
- pathway inhibitor
- respiratory-chain inhibitor
How it is made
Reaction of hydrazine and nitrous acid, or of nitrous oxide and sodium amide (with heat)
Produced by the action of sulfuric acid on sodium azide.
Regulatory status
Inventories, regulations and trade controls that list this substance
United States
- TSCA inventory (USA)Status: Active in US commerce
HS code and trade data
Customs classification and reported world trade statistics
Global trade
World import and export statistics for the HS code Hydrazoic acid is traded under.
Hydrazine and hydroxylamine and their inorganic salts
- India * partner reported18.8%
- United States17.1%
- Belgium7.3%
* Partner reported figures, a lower bound.
The HS code shown for Hydrazoic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.
Related chemicals
Parent and salt forms, stereoisomers, similar structures and isomers
Similar structures
Nearest neighbours by Morgan fingerprint Tanimoto similarity
Same formula isomers
Different compounds that share this molecular formula
Frequently asked questions
Quick answers about Hydrazoic acid, based on the data on this page
What is Hydrazoic acid?
What is the CAS number of Hydrazoic acid?
What is the molecular formula and weight of Hydrazoic acid?
What is Hydrazoic acid used for?
Is Hydrazoic acid hazardous?
What is the HS code of Hydrazoic acid?
Where can I buy Hydrazoic acid?
What is the price of Hydrazoic acid?
Guides for buyers
Practical guides that help when you source, ship or handle Hydrazoic acid
- Article, SourcingHow to write an RFQ that gets fast and accurate quotesWhat suppliers need to quote quickly and comparably: exact product identity, quantity and packing, delivery terms, documents, samples and payment, with a ready to use template.Read
- Guide, Trade and logisticsShipping dangerous goods: UN numbers, classes and packing groupsHow the UN dangerous goods system works for chemicals, from the nine classes and UN numbers to packing groups, UN packaging marks, labels, documents and segregation.Read
- Guide, Trade and logisticsHS codes for chemicals and why they matterHow the Harmonized System classifies chemicals, the chapters that matter, the rules for chemically defined compounds and mixtures, and practical steps to find the right code.Read
Get quotes for Hydrazoic acid
Embed this structure on your websiteShow code
Paste this code into your page to show the 2D structure of Hydrazoic acid with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.
<iframe src="https://www.compoundlist.com/embed/structure/hydrazoic-acid-7782-79-8" title="Hydrazoic acid structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>Explore more in Silicates, borates and other salts or HS code 282510