Preferred name | para-cymene |
Trivial Name | p-Cymene |
Short Description | 4-methyl-1-isopropylbenzene |
Formula | C10 H14 |
CAS Number | 99-87-6 |
FEMA Number | 2356 |
ECHA Number | 202-796-7 |
FDA UNII | 1G1C8T1N7Q |
Nikkaji Number | J11.621A |
Beilstein Number | 1903377 |
MDL | MFCD00008893 |
COE Number | 620 |
Bio Activity Summary | External link |
NMR Predictor | External link |
JECFA Food Flavoring | 1325 p-cymene |
FDA Patent | No longer provide for the use of these seven synthetic flavoring substances |
FDA Mainterm | 99-87-6 ; P-CYMENE |
Synonyms |
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Google Scholar | Start search |
Google Books | Start search |
Google Patents | Start search |
Perfumer & Flavorists | Start search |
EU Patents | Start search |
PubMeb | Start search |
NCBI | Start search |
1-methyl-4-propan-2-ylbenzene | |
NIST Chemistry WebBook: | Search Inchi |
Canada Domestic Sub. List: | 99-87-6 |
Pubchem (cid): | 7463 |
Pubchem (sid): | 134972062 |
Flavornet: | 99-87-6 |
Pherobase: | View |
(IUPAC): | Atomic Weights of the Elements 2011 (pdf) |
Videos: | The Periodic Table of Videos |
tgsc: | Atomic Weights use for this web site |
(IUPAC): | Periodic Table of the Elements |
FDA Substances Added to Food (formerly EAFUS): | View |
CHEBI: | View |
CHEMBL: | View |
Metabolomics Database: | Search |
UM BBD: | Search |
KEGG (GenomeNet): | C06575 |
HMDB (The Human Metabolome Database): | HMDB05805 |
FooDB: | FDB017358 |
Export Tariff Code: | 2902.90.9000 |
Typical G.C. | |
VCF-Online: | VCF Volatile Compounds in Food |
ChemSpider: | View |
Wikipedia: | View |
Formulations/Preparations: •grade: technical cymene •grades of purity: 95+% |
Material listed in food chemical codex | Yes |
Molecular weight | 134.22157287598 |
Specific gravity | @ 25 °C |
Pounds per Gallon | 7.098 to 7.114 |
Refractive Index | 1.489 to 1.491 @ 20 °C |
Boiling Point | 176 to 178°C @ 760 mm Hg |
Boiling Point | 91 to 92°C @ 50 mm Hg |
Acid Value | 1 max KOH/g |
Vapor Pressure | 1.46 mmHg @ 25 °C |
Vapor Density | 4.62 |
Flash Point TCC Value | 47.22 °C TCC |
logP (o/w) | 4.1 |
Shelf life | 12 months (or longer if stored properly.) |
Storage notes | Store in cool, dry place in tightly sealed containers, protected from heat and light. |
Solubility | |
alcohol | Yes |
water, 27.88 mg/L @ 25 °C (est) | Yes |
water, 23.4 mg/L @ 25 °C (exp) | Yes |
Odor Type: Terpenic | |
fresh, citrus, terpenic, woody, spicy, chemical, lemon, cumin, origanum, cilantro | |
Odor strength | high , recommend smelling in a 1.00 % solution or less |
Substantivity | < 2 hour(s) at 100.00 % |
Luebke, William tgsc, (1984) | At 1.00 % in dipropylene glycol. fresh citrus terpene woody spice |
Mosciano, Gerard P&F 25, No. 6, 26, (2000) | At 1.00 % in ethyl alcohol. Harsh chemical, woody and terpy-like with an oxidized citrus lemon note. It has spicy nuances reminiscent of cumin, oregano and cilantro |
VCF-online.nl | Citrus, fresh, fruit, gasoline, lemon, solvent, spice, wood |
Flavor Type: Terpenic | |
terpenic, rancid, woody, citrus, spicy, pepper bell pepper, origanum | |
Mosciano, Gerard P&F 25, No. 6, 26, (2000) | At 1.00 - 10.00 ppm. Terpy and rancid with slightly woody oxidized citrus notes. It has spice nuances of green pepper and oregano |
(data available) |
Applications | |
Odor purposes | Basil oil replacer , Berry , Blackberry , Blueberry , Butter , Camphor tree bark , Caraway seed , Celery , Cilantro , Cinnamon , Coriander , Cranberry , Croton eluteria bark , Cumin oil replacer , Currant black currant , Cypress oil replacer , Eucalyptus oil replacer , Grapefruit , Guava , Lemon , Mandarin , Nutmeg , Orange , Oregano , Papaya , Pineapple , Tangerine , Thyme oil white replacer |
Flavoring purposes | Camphor tree bark , Caraway seed , Carrot , Cilantro , Coriander , Croton eluteria bark , Tomato |
Other purposes | Boldus oil replacer |
Cosmetic purposes | Fragrance |
Preferred SDS: View | |
European information : | |
Most important hazard(s): | |
Xn - Harmful. | |
R 10 - Flammable. R 20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 16 - Keep away from sources of ignition - No Smoking. S 24/25 - Avoid contact with skin and eyes. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 27 - Take off immediately all contaminated clothing. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection. | |
Hazards identification | |
Classification of the substance or mixture | |
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) | |
Flammable liquids (Category 3), H226 Skin irritation (Category 2), H315 Eye irritation (Category 2A), H319 Specific target organ toxicity - single exposure (Category 3), Respiratory system, H335 Acute aquatic toxicity (Category 3), H402 Chronic aquatic toxicity (Category 3), H412 | |
GHS Label elements, including precautionary statements | |
Pictogram | ![]() ![]() |
Signal word | Warning |
Hazard statement(s) | |
H226 - Flammable liquid and vapour H315 - Causes skin irritation H319 - Causes serious eye irritation H335 - May cause respiratory irritation H402 - Harmful to aquatic life H412 - Harmful to aquatic life with long lasting effects | |
Precautionary statement(s) | |
P210 - Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 - Keep container tightly closed. P240 - Ground/bond container and receiving equipment. P241 - Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 - Use only non-sparking tools. P243 - Take precautionary measures against static discharge. P261 - Avoid breathing dust/fume/gas/mist/vapours/spray. P264 - Wash skin thouroughly after handling. P271 - Use only outdoors or in a well-ventilated area. P273 - Avoid release to the environment. P280 - Wear protective gloves/protective clothing/eye protection/face protection. P303 + P361 + P353 - IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P304 + P340 - IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305 + P351 + P338 - IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312 - Call a POISON CENTER or doctor/physician if you feel unwell. P332 + P313 - IF SKIN irritation occurs: Get medical advice/attention. P337 + P313 - IF eye irritation persists: Get medical advice/attention. P362 - Take off contaminated clothing and wash before reuse. P370 + P378 - In case of fire: Use dry sand, dry chemical or alcohol-resistant foam for extinction. P403 + P233 - Store in a well-ventilated place. Keep container tightly closed. P403 + P235 - Store in a well-ventilated place. Keep cool. P405 - Store locked up. P501 - Dispose of contents/ container to an approved waste disposal plant. | |
Human Experience: | |
4 % solution: no irritation or sensitization. | |
Oral/Parenteral Toxicity: | |
oral-rat LD50 4750 mg/kg SENSE ORGANS AND SPECIAL SENSES: CHROMODACYRORREA: EYE GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA" BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) Food and Cosmetics Toxicology. Vol. 2, Pg. 327, 1964. | |
Dermal Toxicity: | |
Not determined | |
Inhalation Toxicity: | |
Not determined |
Category: | |||
flavor and fragrance agents | |||
RIFM Fragrance Material Safety Assessment: Search | |||
IFRA Code of Practice Notification of the 49th Amendment to the IFRA Code of Practice | |||
Recommendation for para-cymene usage levels up to: | |||
8.0000 % in the fragrance concentrate. | |||
Maximised Survey-derived Daily Intakes (MSDI-EU): | 926.00 (μg/capita/day) | ||
Maximised Survey-derived Daily Intakes (MSDI-USA): | 472.00 (μg/capita/day) | ||
Threshold of Concern: | 1800 (μg/person/day) | ||
Structure Class: | I | ||
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS). | |||
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library | |||
publication number: 3 | |||
Click here to view publication 3 | |||
average usual ppm | average maximum ppm | ||
baked goods: | - | 7.00000 | |
beverages(nonalcoholic): | - | 3.30000 | |
beverages(alcoholic): | - | - | |
breakfast cereal: | - | - | |
cheese: | - | - | |
chewing gum: | - | 250.00000 | |
condiments / relishes: | 10.00000 | 130.00000 | |
confectionery froastings: | - | - | |
egg products: | - | - | |
fats / oils: | - | - | |
fish products: | - | - | |
frozen dairy: | - | 5.30000 | |
fruit ices: | - | 5.30000 | |
gelatins / puddings: | - | - | |
granulated sugar: | - | - | |
gravies: | - | - | |
hard candy: | - | 10.00000 | |
imitation dairy: | - | - | |
instant coffee / tea: | - | - | |
jams / jellies: | - | - | |
meat products: | - | - | |
milk products: | - | - | |
nut products: | - | - | |
other grains: | - | - | |
poultry: | - | - | |
processed fruits: | - | - | |
processed vegetables: | - | - | |
reconstituted vegetables: | - | - | |
seasonings / flavors: | - | - | |
snack foods: | - | - | |
soft candy: | - | - | |
soups: | - | - | |
sugar substitutes: | - | - | |
sweet sauces: | - | - |
European Food Safety Athority(EFSA):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies... |
European Food Safety Authority (EFSA) reference(s): |
Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) related to Flavouring Group Evaluation 18 (FGE.18): Aliphatic, alicyclic and aromatic saturated and unsaturated tertiary alcohols, aromatic tertiary alcohols and their esters from chemical group 6 View page or View pdf |
Flavouring Group Evaluation 18, Revision 1 (FGE. 18 Rev1)[1] : Aliphatic, alicyclic and aromatic saturated and unsaturated tertiary alcohols, aromatic tertiary alcohols and their esters from chemical groups 6 and 8 View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 90 (FGE.90): Consideration of Aliphatic, acyclic and alicyclic terpenoid tertiary alcohols and structurally related substances evaluated by JECFA (68th meeting)FGE.18Rev1 (2009) View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 78, Revision 1 (FGE.78Rev1): Consideration of aliphatic and alicyclic and aromatic hydrocarbons evaluated by JECFA (63rd meeting) structurally related to aliphatic and aromatic hydrocarbons evaluated by EFSA in FGE.25Rev2 View page or View pdf |
Review of substances/agents that have direct beneficial effect on the environment: mode of action and assessment of efficacy View page or View pdf |
Conclusion on the peer review of the pesticide risk assessment of the active substance terpenoid blend QRD-460 View page or View pdf |
Scientific Opinion on the safety and efficacy of aliphatic and aromatic hydrocarbons (chemical group 31) when used as flavourings for all animal species View page or View pdf |
Scientific Opinion on Flavouring Group Evaluation 78, Revision 2 (FGE.78Rev2): Consideration of aliphatic and alicyclic and aromatic hydrocarbons evaluated by JECFA (63rd meeting) structurally related to aliphatic hydrocarbons evaluated by EFSA in FGE.25Rev3 View page or View pdf |
EPI System: View |
NIOSH International Chemical Safety Cards:search |
AIDS Citations:Search |
Cancer Citations:Search |
Toxicology Citations:Search |
EPA Substance Registry Services (TSCA):99-87-6 |
EPA ACToR:Toxicology Data |
EPA Substance Registry Services (SRS):Registry |
Laboratory Chemical Safety Summary :7463 |
National Institute of Allergy and Infectious Diseases:Data |
WISER:UN 2046 |
WGK Germany:2 |
1-methyl-4-propan-2-ylbenzene |
Chemidplus:0000099876 |
EPA/NOAA CAMEO:hazardous materials |
RTECS:99-87-6 |