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Benzylamine

CAS No.
100-46-9
Chemical Name:
Benzylamine
Synonyms
Bnnh2;phenylmethanamine;BZA;BENZENEMETHANAMINE;Benzylamin;PHENYLMETHYLAMINE;Moringine;N-BENZYLAMINE;Benzenethanamine;omega-Aminotoluene
CBNumber:
CB4852584
Molecular Formula:
C7H9N
Molecular Weight:
107.15
MDL Number:
MFCD00008106
MOL File:
100-46-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-08-25 20:17:46

Benzylamine Properties

Melting point 10 °C (lit.)
Boiling point 184-185 °C (lit.)
Density 0.981 g/mL at 25 °C (lit.)
vapor pressure 1.2 hPa (20 °C)
refractive index n20/D 1.543(lit.)
Flash point 140 °F
storage temp. Store below +30°C.
solubility alcohol: miscible
form Liquid
pka 9.33(at 25℃)
color Clear colorless to slightly yellow
PH 11.4 (100g/l, H2O, 20℃)
Odor Strong ammonia.
explosive limit 0.7-8.2%(V)
Water Solubility soluble
Specific Heat Capacity Cp(liquid): 1.93 J/(g·K), at 25℃
Sensitive Air Sensitive
Merck 14,1125
BRN 741984
Henry's Law Constant 7.1×10-1 mol/(m3Pa) at 25℃, Yao et al. (2002)
Dielectric constant 4.6(Ambient)
Stability Combustible. Incompatible with strong oxidizing agents, strong acids.
InChI 1S/C7H9N/c8-6-7-4-2-1-3-5-7/h1-5H,6,8H2
InChIKey WGQKYBSKWIADBV-UHFFFAOYSA-N
SMILES NCc1ccccc1
LogP 1 at 25℃
Surface tension 37.1mN/m at 293.15K
CAS DataBase Reference 100-46-9(CAS DataBase Reference)
EWG's Food Scores 2
FDA UNII A1O31ROR09
NIST Chemistry Reference Benzylamine(100-46-9)
EPA Substance Registry System Benzylamine (100-46-9)
UNSPSC Code 12352116
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302+H312-H314-H402-H227
Precautionary statements  P501-P273-P270-P210-P264-P280-P370+P378-P362+P364-P303+P361+P353-P301+P330+P331-P301+P312+P330-P304+P340+P310-P305+P351+P338+P310-P403+P235-P405
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  C
Risk Statements  21/22-34
Safety Statements  26-36/37/39-45
RIDADR  UN 2735 8/PG 2
WGK Germany  1
RTECS  DP1488500
34
Autoignition Temperature 405 °C
TSCA  TSCA listed
HS Code  2921 49 00
HazardClass  8
PackingGroup  II
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Oral
Eye Dam. 1
Skin Corr. 1B
Hazardous Substances Data 100-46-9(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 552 mg/kg LD50 dermal Rat 1350 mg/kg
REACH Registrations Active
Limited Quantities 1.0 L (0.3 gallons) (liquid) or 1 Kg (2.2 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
2
3 0

Benzylamine price More Price(64)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 8.01812 Benzylamine for synthesis 100-46-9 100mL $46.8 2026-04-30 Buy
Sigma-Aldrich 8.01812 Benzylamine for synthesis 100-46-9 500mL $89.3 2026-04-30 Buy
Sigma-Aldrich 8.01812 Benzylamine for synthesis 100-46-9 1L $135 2026-04-30 Buy
Sigma-Aldrich 13180 Benzylamine for GC derivatization, ≥99.0% 100-46-9 100ml $46.3 2026-04-30 Buy
TCI Chemical B0406 Benzylamine >99.0%(GC) 100-46-9 25mL $17 2026-04-30 Buy
Product number Packaging Price Buy
8.01812 100mL $46.8 Buy
8.01812 500mL $89.3 Buy
8.01812 1L $135 Buy
13180 100ml $46.3 Buy
B0406 25mL $17 Buy

Benzylamine Chemical Properties, Uses, Production

Chemical Properties

colourless liquid with an ammoniacal odour

Uses

Benzylamine is used as a chemical intermediate for dyes, pharmaceuticals, and polymers.It is also employed as a corrosion inhibitor and as a brightener in electroplating baths. It also finds use in the manufacture of explosives.

Uses

Benzylamine is a valuable intermediate for various applications and a building block for chemical synthesis used in pharmaceuticals and crop protection agents. It finds application in the coating industry. It is involved as a carrier electrolyte for separation of alkali, alkaline earth and ammonium cations in water samples by capillary electrophoresis with indirect UV detection. It is also used in synthesis of cross-linked porous copolymer supports based on N-(p-vinylbenzoyl)-2-methylalanine, styrene and divinylbenzene. In the textile industry, it is used in colored dyes. It is often used for medicinal purposes in topical creams and antifungal solutions as well as in vitamins.

Uses

Benzylamine may be used as a derivatization agent to increase the sensitivity of 5-hydroxyindoles, catecholamines and catechols in biological samples prior to their determination using high performance liquid chromatography (HPLC) coupled with fluorescence detection.

Preparation

28% Aqueous Ammonia, 810g
Benzyl chloride, 84.3g
49% Aqueous NaOH, 52.3g
Diethyl Ether, 200g
A three-necked flask was equipped with a reflux condenser dropping funnel and an agitator. All of the aqueous ammonium hydroxide solution was poured into the flask, then the benzyl chloride was introduced drop by drop; over a period of two hours with constant stirring of the mixture. The exothermic heat of reaction kept the temperature between 30-34°C during this period. When it is desired to introduce the benzyl chloride at a faster rate, conventional cooling means can be employed to control the temperature. A large excess of ammonia was employed as the molar ratio of reactants was 20:1. An additional two hours was allowed to insure completion of the following reaction:
Preparation of Benzylamine
Then the equimolecular quantity of caustic soda solution was added. When quiescent, the mixture split into an aqueous layer and an oily layer. After separating these two layers by use of a separatory funnel, the aqueous phase was made available for further repeated use by merely adding sufficient ammonium hydroxide to bring the total quantity of ammonia up to the original figure. The oily layer was steam distilled until no further oily constituent was visible in the condensed distillate as it dripped down the condenser tube. This distillate was saturated with sodium chloride and successively extracted with an initial 80 and three 40 gram batches of ethyl ether. Upon evaporation of the ether from the extract, 52g of crude benzylamine remain which was distilled at atmospheric pressure. 41g grams of substantially pure benzylamine distilled over in the boiling range 185-192°C, while the residue was found to contain an additional 2.3g of benzylamine and 8.7g of other matter which was believed to consist entirely of dibenzyl amine. Thus the total yield of benzylamine was 43.3g or 60.7% based on the weight of benzyl chloride.

Definition

ChEBI: A primary amine compound having benzyl as the N-substituent. It has been isolated from Moringa oleifera (horseradish tree).

Synthesis Reference(s)

Synthetic Communications, 25, p. 863, 1995 DOI: 10.1080/00397919508013422
Synthesis, p. 48, 1987 DOI: 10.1055/s-1987-27838

General Description

Colorless to light yellow liquid with a strong odor of ammonia. Floats and mixes with water.

Air & Water Reactions

Water soluble.

Reactivity Profile

In presence of moisture, Benzylamine may weakly corrode some metals. Liquid will attack some plastics [USCG, 1999]. Neutralize acids to form salts plus water in exothermic reactions. May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated in combination with strong reducing agents, such as hydrides.

Hazard

Highly toxic, strong irritant to skin and mucous membranes.

Health Hazard

Inhalation of vapor causes irritation of the mucous membranes of the nose and throat, and lung irritation with respiratory distress and cough. Headache, nausea, faintness, and anxiety can occur. Exposure to vapor produces eye irritation with lachrymation, conjunctivitis, and corneal edema resulting in halos around lights. Direct local contact with liquid is known to produce severe and sometimes permanent eye damage and skin burns. Vapors may also produce primary skin irritation and dermatitis.

Fire Hazard

Special Hazards of Combustion Products: Toxic nitrogen oxides may form in a fire.

Flammability and Explosibility

Non flammable

Chemical Reactivity

Reactivity with Water: No reaction; Reactivity with Common Materials: In presence of moisture may severely corrode some metals. In liquid state this chemical will attack some plastics; Stability During Transport: Stable; Neutralizing Agents for Acids and Caustics: Flush with water; Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.

Toxicology

Benzylamine is readily biodegradable. It is harmful in aquatic environment [German class for hazards in aquatic environment: 1 (weak effect) (WGK 1)].Acute toxicity: Pseudomonas fluorescens (bacteria) 500 mg (EC0); Scenedesmus quadricauda (algae) 6 mg (96-h EC10); Daphnia magna 60 mg (48-h EC50); Leuciscus idus (fish) 20 mg (48-h EC0); Pimephals promelas (fish) 102 mg (96-h EC50).Benzylamine is Ames test negative (no mutagenic effect). Acute oral toxicity: LD50 1130 mg/kg (rat). Acute percutaneous toxicity: LD50 1340 mg/kg (rat). Toxicity class 3 (Switzerland). All rats inhaling benzylamine for 3 h survived a two-week period (full body exposure). After full body exposure for 5h, 17 % died.

storage

Benzylamine is slowly oxidized on contact with air and forms benzalbenzylamine. It also reacts with carbon dioxide to form its solid carbamic acid salt. It therefore should be stored in a tight closed container for not more than one year. For longer storage, a nitrogen blanket is recommended. In Germany the conditions for storage are classified as 8L (VCI-Lagerklasse).

Purification Methods

Dry it with NaOH or KOH, then distil it under N2, through a column packed with glass helices, taking the middle fraction. Also distil it from zinc dust under reduced pressure. The picrate has m 196o (from EtOH), and the p-toluenesulfonamide has m 116o (from MeOH). [Beilstein 12 IV 2155.]

Toxics Screening Level

The ITSL for benzylamine has been changed from 0.04 μg/m3 to 0.1 μg/m3 based on an annual averaging time.

100-52-7
100-46-9
Synthesis of Benzylamine from Benzaldehyde

Benzylamine Preparation Products And Raw materials

Global Suppliers ( 561)
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Related Questions

Ask a question
Q:What reactions does Benzylamine have? What are its hazards?Zora - Mar 30,2026
A: Benzylamine is used as an important building block in the chemical and pharmaceutical industries, known for its role in the synthesis of various N-heterocycles and its involvement in oxidative reactions with different catalysts. Benzylamine reacts with acids forming benzylammonium salts. It reacts with acetyl chloride to form N-benzylacetamide, an exemplar of the Schotten–Baumann reaction. Benzylamine is harmful if swallowed or inhaled, eye contact may lead to permanent damage.

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Benzylamine pictures 2026-09-18 Benzylamine
100-46-9
$10.00 1KG 99.8% 30 tons Wuhan Biet Co., Ltd.
Benzylamine pictures 2026-09-02 Benzylamine
100-46-9
$1.00-50.00 1KG 99% Henan Fengda Chemical Co., Ltd
Benzylamine pictures 2026-05-28 Benzylamine
100-46-9
$15.00 1KG 99% 10 ton Hebei Chuanghai Biotechnology Co,.LTD
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  • Henan Fengda Chemical Co., Ltd
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  • Benzylamine
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