萘乙酸

Description

Naphthaleneacetic Acid · CAS 86-87-3 · C12H10O2. UNII 33T7G7757C. Melting Point: 135; Melting Point: 134.5-135.5 °C; Melting Point: 134.5 - 135.5 °C.

Identification

CAS Registry Number	86-87-3
PubChem CID	6862
Molecular formula	C12H10O2
IUPAC name	2-naphthalen-1-ylacetic acid
UNII (FDA)	33T7G7757C

Computed Descriptors

Molecular Weight	186.21
XLogP3	2.7
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	2
Exact Mass	186.068079557
Monoisotopic Mass	186.068079557
Topological Polar Surface Area	37.3
Heavy Atom Count	14
Formal Charge	0

Physical & Chemical Properties

Melting Point	135
Melting Point	134.5-135.5 °C
Melting Point	134.5 - 135.5 °C
Solubility	420
Solubility	In water, 420 mg/l @ 20 °C
Solubility	0.42 mg/mL at 20 °C
Vapor Pressure	0.0000159 [mmHg]
LogP	2.24
LogP	log Kow = 2.24
Dissociation Constants	4.23 (at 25 °C)

Physical description & handling notes

• White odorless solid; [Hawley] White or beige powder; [MSDSonline]
• Solid
• Needles from water
• White crystals
• Colorless crystals
• Odorless

Regulatory Status

GHS notification summary	0.9% (1 / 112)

GHS Hazard Classification

GHS notification summary	0.9% (1 / 112)
Reported hazard statements	H302 (97.3%), H315 (73.2%), H318 (77.7%), H319 (13.4%), H335 (72.3%), H412 (67%)

Documented Uses

• Used as a plant growth regulator, abscission promoter, and substrate for auxin inducers of specific plant enzymes; Stimulates root formation in cuttings of woody, herbaceous plants, and vines; Prevents premature flower and fruit drop; Controls regrowth of tree sprouts after trimming; Inhibits sprouting in stored potato, turnip, and ornamental bulbs; [HSDB] Registered for use on fruit crops and ornamentals; [Reference #1]
• Stimulates root formation in cuttings of woody, herbaceous plants, vines. Prevents premature flower, fruit drop in apples, pears, grapes, guavas, mangoes, watermelons, pawpaws, pineapples, citrus, aubergines, cucumbers, cotton, soya. Controls regrowth of tree sprouts after trimming of apple, fig, lemon, olive, pear, pomegranate, prune, pyracantha, walnut. Inhibits sprouting in stored potato, turnip, ornamental bulbs.
• For more Uses (Complete) data for 1-NAPHTHALENEACETIC ACID (10 total), please visit the HSDB record page.
• ... Produced by the hydrolysis of 1-naphthaleneacetonitrile, which is obtained by the chloromethylation of naphthalene and subsequent reaction with sodium cyanide.
• 1997. U.S. 1-Naphthaleneacetic acid 10,486 lbs active ingredient applied per year.
• 1992. U.S. 1-Naphthaleneacetic acid 13,146 lbs active ingredient applied per year.

Synonyms

86-87-3; 1-Naphthylacetic acid; 1-NAPHTHALENEACETIC ACID; 2-(Naphthalen-1-Yl)Acetic Acid; Naphthalene-1-acetic acid; NAPHTHALENEACETIC ACID; Planofix; Phyomone; Fruitone N; Fruitofix; Planofixe; Transplantone; 2-(1-Naphthyl)acetic acid; alpha-NAA; Celmone; alpha-Naphthylacetic acid

Frequently Asked Questions

What are the CAS number and molecular formula of Naphthaleneacetic Acid?

CAS 86-87-3; molecular formula C12H10O2; molecular weight — g/mol.

What other names is Naphthaleneacetic Acid known by?

86-87-3, 1-Naphthylacetic acid, 1-NAPHTHALENEACETIC ACID, 2-(Naphthalen-1-Yl)Acetic Acid, Naphthalene-1-acetic acid, NAPHTHALENEACETIC ACID.

Is Naphthaleneacetic Acid classified as hazardous?

0.9% of GHS notifications report no hazard classification (1 of 112).

What are the key physical properties of Naphthaleneacetic Acid?

Melting Point: 135; Melting Point: 134.5-135.5 °C; Melting Point: 134.5 - 135.5 °C; Solubility: 420.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.