1,3-phenylenediamine is a phenylenediamine taht is benzene substituted at positions 1 and 3 with amino functions.
Definition
1,3-phenylenediamine is a phenylenediamine taht is benzene substituted at positions 1 and 3 with amino functions.
Source: PubChem
US FDA substance register · UNII OE624J2447 · registered name M-Phenylenediamine · single chemical substance
Cosmetic roles
Safety & regulatory references
- Banned
- Argentina · ASEAN · Brazil · China · European Union · South Korea · Taiwan · United Kingdom
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)
Korea’s toxic-substance GHS classification: Danger · H312 (category 4) · H319 (category 2) · H410 (category 1) · +4 more
EU Cosmetics Regulation, Annex II (prohibited substances), entry 1204
Restriction II/1204
Source: EU CosIng ingredient list
Reviewed by CIR: 40th Anniversary Overview and Rereview Summaries From 2011 to 2015
Reviewed by CIR: Final Report on the Safety Assessment of m-Phenylenediamine and m-Phenylenediamine Sulfate
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 108-45-2
- DTXSIDUS EPA chemical ID
- DTXSID4021137
- DTXCIDUS EPA compound ID
- DTXCID001137
- IUPAC
- Benzene-1,3-diamine
- Molecular formula
- C6H8N2
- Molecular weight
- 108.144 g/mol
Measured properties
- Appearance
- 1,3-phenylenediamine appears as colorless or white colored needles that turn red or purple in air. Melting point 64-66 C. Density 1.14 g / cm3. Flash point 280 F. May irritate skin and eyes. Toxic by skin absorption, inhalation or ingestion. Used in aramid fiber manufacture, as a polymer additive, dye manufacturing, as a laboratory reagent, and in photography. · Dry Powder, Other Solid, Large Crystals, CBI, Liquid
- Boiling point
- 540 to 543 °F at 760 mmHg (NTP, 1992) · 284-287 °C
- Melting point
- 145 to 147 °F (NTP, 1992) · 145-147 °F
- Solubility
- less than 1 mg/mL at 66 °F (NTP, 1992) · SOL IN WATER, METHANOL, ETHANOL, CHLOROFORM, ACETONE, DIMETHYLFORMAMIDE, METHYL ETHYL KETONE, DIOXANE, SLIGHTLY SOL IN ETHER, CARBON TETRACHLORIDE, ISOPROPANOL, DIBUTYL PHTHALATE. VERY SLIGHTLY SOL IN BENZENE, TOLUENE, XYLENE, BUTANOL.
- Density
- 1.0696 at 136 °F (NTP, 1992) - Denser than water, will sink · 1.0096 g/cu cm at 58 °C
- Stability
- UNSTABLE IN AIR
- Dissociation constant
- pKa = 4.98 at 25 °C (conjugate acid) · pKa1 = 2.65, pKa2 = 4.88 at 25 °C
- Melting/freezing point
- 62.5 ℃
- Initial boiling point and range
- 284~287 ℃
- Flash point
- 187 ℃(c.c.)
- Vapour pressure
- 133 ㎩ (99.8℃)
- Water solubility
- 23.8 g/100㎖ (20℃)
- Vapour density
- 3.7
- Relative density
- 1.07 (58℃)
- n-Octanol/water partition coefficient (Kow)
- -0.33
- Auto-ignition temperature
- 560 ℃
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 12 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Processing aids not otherwise specified3
- Intermediate2
- Dye2
- Adhesion/cohesion promoter2
- Flame retardant1
- Hardener1
- Propellants, non-motive (blowing agents)1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
12 skin studies and 7 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 19 studies
- High Frequency of Sensitization
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation) - Skin Sens. 1
Skin Sensitization · Screening - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: Guide to Labeling of Dangerous Substances published in the Official Journal of European Communiites (EEC Directive 93/21, Annex VI). according to - Skin Sens. 1
Skin Sensitization · Authoritative - Not classified
Skin Irritation · Screening - Category 1
Skin Sensitization · Screening - Sh
Skin Sensitization · Authoritative - Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: Consumer Product Safety Commission of the U.S.A. in The Code of Federal Regulations, Title 16, Section 1500.41 according to - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · according to other guideline: MAFF Japan, 59 NohSan No. 4200, 1985 according to OECD Guideline 406 (Skin Sensitisation) according to other guideline: EEC 92/69 - Annex 5- Part B.6 (1992) - 93/21 (1993) according to EPA OPP 81-6 (Skin Sensitisation) - High Frequency of Sensitization
skin sensitisation: in vivo (LLNA) · Screening · equivalent or similar to OECD Guideline 429 (Skin Sensitisation: Local Lymph Node Assay) - Not likely to be sensitizing
skin sensitisation: in vivo (non-LLNA) · Screening · equivalent or similar to OECD Guideline 406 (Skin Sensitisation) - Category 6.5B (Category 1)
Skin Sensitization · Read Across - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Eye Irrit. 2
Eye Irritation · Authoritative - Category 2
Eye Irritation · Screening - Eye Irrit. 2
Eye Irritation · Screening - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) according to - Studies Indicate No Significant Irritation
eye irritation: in vivo · Screening · other guideline: Consumer Product Safety Commission of the U.S.A. in The Code of Federal Regulations, Title 16, Section. 1500.42 equivalent or similar to - Severe Irritation
eye irritation: in vivo · Screening · OECD Guideline 405 (Acute Eye Irritation / Corrosion) equivalent or similar to
Source: US EPA CompTox dashboard
Related literature
- Preparation and characterization of TiO_2/polyamide nanocomposite reverse osmosis membrane · 2012
- Compacted nanoscale blocks to build skin layers of reverse osmosis and nanofiltration membranes : A revelation from small-angle neutron scattering · 2007
- Final Report On the Safety Assessment of m-Phenylenediamine and m-Phenylenediamine Sulfate1 · 1997
- Isospora belli reactive arthritis in a patient with AIDS. · 1994
- Final Report on the Safety Assessment of 4-Methoxy-m-Phenylenediamine, 4-Methoxy-m-Phenylenediamine Sulfate, and 4-Methoxy-m-Phenylenediamine-HCl · 1992
Linked databases 25
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- ChEMBL
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- EU prohibited substances (Annex II)
- IARC carcinogen classification
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3
- NIST Chemistry WebBook
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Tlooto literature search 2 3 4 5
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US Cosmetic Ingredient Review (CIR) 2 3
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese