NAA | 1-Naphthaleneacetic acid

Item number: WR103

Category: 1-Naphthaleneacetic acid (NAA)

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Tested in plant tissue culture.

Release class: Abgabeklasse 1
GHS-Pictograms: 07
Molecular weight: 186.21
Synonyms: a-naphthylacetic acid, 1-naphthalene acetic acid, 1-naphthaleneacetic acid
SCI-GROW groundwater index: 6.16 X 10-1 µg l-1 for a 1 kg ha-1 application rate
CAS-Number: 86-87-3
Soil degradation (days, aerobic):

DT50 (typical) 42 Moderately persistent
DT50 (lab at 20oC) 41.7 Moderately persistent
DT50 (field) - -
DT90 (lab at 20oC) 136 -
DT90 (field) - -
DT50 modelling endpoint - -
Note EU dossier lab studies DT50 range 6.4 days (sandy loam) - 77 days (loamy sand), DT90 range 14.7-257 days; General literature states DT50 30-50 days
A4= Verified data from EU Regulatory & Evaluation Data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g.) EU Annex III PIC DGD
Sum formula: C12H10O2
GHS signal word: Warning
Aqueous hydrolysis DT50 (days) @ 20 °C and pH 7:

Stable

Note: stable at pH 4,7 & 9

Hazard Statements: H302; H319
EG-Number: 201-705-8
Density: 0.4
Loss on drying: max. 0.5 %
Pubchem-Number: 6862
Melting point: 130 - 132 °C
Hazard statements written: Harmful if swallowed; Causes serious eye irritation
Precautionary Statements: P305+P351+P338
Solubility in water: 0.42 g/l (20 °C)
Residue on ignition: max. 0.5 %
Precautionary statements written: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing
Storage Temperature: 15 - 25 °C
MolView:

Safety data sheet (German)

According to Regulation (EC) No. 1907/2006

PDF
Safety data sheet (German)

Safety data sheet (English)

According to Regulation (EC) No. 1907/2006

PDF
Safety data sheet (English)

Certificate of Analysis

Certificate of Analysis