Glutaronitrile (Pentanedinitrile / 1,3-Dicyanopropane) CAS 544-13-8 Full Export Specification
1. Basic Chemical Identification
- IUPAC Name: Pentanedinitrile
- Aliases: Glutaronitrile, 1,3-Dicyanopropane, Trimethylene dicyanide, Glutaric dinitrile
- CAS No.: 544-13-8
- EINECS: 208-861-6
- MDL No.: MFCD00001953
- Molecular Formula: \(\boldsymbol{C_5H_6N_2}\)
- Molecular Weight: 94.11
- SMILES: N#CCCC#N
- HS Code: 2926909090
- UN Number: UN 3276
- IMDG Hazard Class: Class 6.1 Toxic Liquid, Packing Group III
- Signal Word: Danger
2. Physical & Chemical Properties
- Appearance: Colorless to pale light yellow transparent oily liquid, faint mild nitrile odor
- Melting Point: −29 ℃
- Boiling Point: 285–287 ℃ (760 mmHg); 140 ℃ / 1.33 kPa vacuum distillation
- Density (20 ℃): 0.990–0.995 g/mL
- Refractive Index n₂₀ᴰ: 1.4340–1.4360
- Flash Point (closed cup): 148 ℃
- Vapor Pressure: Extremely low volatility at room temperature (0.0006 mmHg @25℃)
- Solubility: Fully soluble in water, ethanol, methanol, acetone, ethyl acetate, DMF, DMSO; slightly soluble in aliphatic hydrocarbons
- Stability: Stable under cool light-proof sealed storage; incompatible with strong oxidants, strong reducing agents, strong acids, alkali metals; high-temperature decomposition releases toxic cyanide fumes
- Core Hazards
- Systemic toxic nitrile compound; absorbed via skin, inhalation and ingestion, inhibits cytochrome oxidase, cyanide-like poisoning risk
- Irritates eyes, skin and respiratory tract
- Long-term repeated exposure damages liver and nervous system
- High aquatic toxicity with bioaccumulation risk
3. Standard COA Technical Specifications
Industrial Electroplating / Fine Chemical Grade ≥98.0% (Main Bulk Export Grade)
| Test Item | Standard Specification |
| Purity (GC Area%) | ≥98.0 wt% |
| Moisture Content | ≤0.10% |
| Succinonitrile / Adiponitrile isomer impurities | ≤0.50% |
| Color (APHA) | ≤40 pale yellow clear liquid |
| Free Ammonia / Cyanide ion | ≤10 ppm |
| Evaporation Residue | ≤0.005% |
| Heavy Metals (Pb) | ≤10 ppm |
High-Purity Reagent / Electrochemical Grade ≥99.5%
Ultra-low mixed dinitrile impurities, ultra-dry, low free cyanide, for lithium battery electrolyte additives, lab organic synthesis and electrochemical research
4. Main Industrial Applications
1. Lithium Battery Electrolyte Additive (Fast-Growing Core Application)
High-boiling dinitrile solvent additive for lithium-ion battery electrolyte; improves high-temperature cycle stability, suppresses aluminum foil corrosion, enhances high-voltage battery safety and service life, widely used in power lithium batteries and energy storage batteries
2. Electroplating Complexing Agent
Cyanide-free electroplating auxiliary; excellent chelating capacity for nickel, copper, cobalt metal ions, produces uniform bright metal coating, replaces toxic inorganic cyanide plating additives
3. Pharmaceutical & Fine Chemical Intermediate
Dinitrile building block for nitrogen heterocyclic APIs, anti-virus, anti-tumor drug precursors; undergoes hydrolysis, hydrogenation, cyclization to prepare piperidine, glutaric acid derivatives
4. Organic Synthesis & Catalyst Carrier
Polar high-boiling aprotic solvent for high-temperature organic synthesis, polymerization reaction medium; ligand precursor for transition metal coordination catalysts
5. Laboratory Special Synthetic Reagent
Standard aliphatic dinitrile substrate for nitrile hydrolysis, hydrogenation, cyclization and coordination chemistry experimental research
5. Export Packaging & Storage Transportation
Standard Packing Options
- Industrial bulk: 200L HDPE lined anti-static carbon steel drum, airtight PTFE sealed cap, net weight ~198kg/drum
- IBC 1000L anti-corrosion composite plastic tank for factory continuous feeding
- Lab small packing: 1L / 2.5L amber glass bottle nitrogen sealed
All pallets fixed with anti-slip straps, fully wrapped waterproof light-shield stretch film; transit temperature controlled ≤25 ℃, avoid direct sunlight and high temperature
Storage Mandatory Rules
- Warehouse: Cool, dark, ventilated Class6.1 toxic chemical warehouse, humidity <70%
- Fully airtight sealed to prevent light-induced discoloration and toxic vapor leakage
- Strict segregate from oxidants, strong acids, metal powders, food raw materials and edible goods
- Equipped with toxic vapor alarm and negative-pressure closed exhaust ventilation
Ocean Transport Rules
UN3276 Class6.1 Toxic Liquid PG III marine pollutant; strictly forbidden mixed loading with food, drinking water and edible cargo; prevent rain soaking and package leakage; full set of dangerous goods export documents required for global customs clearance
6. GHS Full Hazard Statements & Mandatory PPE
Hazard Statements
- H302: Harmful if swallowed
- H312: Harmful in contact with skin (skin absorption toxic)
- H315: Causes skin irritation
- H319: Causes serious eye irritation
- H332: Harmful if inhaled
- H373: May cause liver & nervous system damage via prolonged repeated exposure
- H411: Toxic to aquatic life with long-lasting ecological hazards
Mandatory PPE
- Half-face respirator with organic nitrile vapor filter cartridge; full-face positive-pressure SCBA for large tank pumping transfer
- Double protection: fully sealed chemical safety goggles + full anti-splash face shield
- Double-layer thick nitrile solvent-resistant impermeable gloves
- Impermeable full-body anti-toxic work coveralls + chemical resistant rubber boots
- Local negative-pressure closed exhaust fume hood for sampling, pumping and feeding operations
Spill & First Aid Emergency Treatment
- Spill disposal: Evacuate irrelevant personnel, build sand dike to contain liquid; absorb leakage with dry inert sand, collect waste into airtight anti-toxic steel hazardous barrel for professional incineration; prohibit direct discharge to sewer or water body
- Skin contact: Immediately strip all contaminated clothing, flush skin with massive soap running water continuously ≥30 minutes, hospital toxic poisoning observation mandatory
- Eye contact: Irrigate eyes with steady clean running water non-stop for minimum 30 minutes, urgent ophthalmic treatment
- Inhalation: Move victim to fresh air instantly; supply high-concentration oxygen if dizziness, nausea, dyspnea occurs
- Ingestion: Do NOT induce vomiting; drink large volume clean water/milk to dilute toxin, transport to toxic emergency center with SDS document
7. Foreign Trade Selling Advantages
- Two grades available: industrial battery/electroplating bulk grade & high-purity electrochemical reagent grade, strictly controlled low mixed dinitrile impurities to guarantee battery cycle performance and electroplating brightness
- Light-proof anti-corrosion lined steel drum/IBC packaging, no discoloration or leakage during long-distance ocean shipping
- Complete Class6.1 toxic dangerous goods export document set (COA, English SDS, UN packaging certificate, IMDG maritime declaration, certificate of origin, trace metal impurity inspection report)
- Flexible supply: small trial drums, IBC tanks and full FCL container bulk shipments acceptable
- Stable chelating & electrolyte stabilizing performance, widely supplied to lithium battery electrolyte, cyanide-free electroplating and pharmaceutical fine chemical manufacturers worldwide
8. Full Set Export Supporting Documents
- Batch Certificate of Analysis (COA)
- English SDS Safety Data Sheet
- Dangerous Goods Packaging Qualification Certificate
- IMDG Maritime Dangerous Goods Declaration File
- Certificate of Origin
- Mixed dinitrile isomer & heavy metal impurity compliance test report
