Hadith 2241 - Sales in which a Price is paid for Goods to be Delivered Later (As-Salam) - Sahih Al-Bukhari - صحيح البخاري - Collection of Actions, Sayings and Teachings of Prophet Muhammad (صلى الله عليه و سلم) - Kutub as-Sittah

35. Sales in which a Price is paid for Goods to be Delivered Later (As-Salam) - كتاب السلم

2) Chapter: As-Salam for a known specified weight

Narrated Ibn `Abbas:

The Prophet (ﷺ) came (to Medina) and he told the people (regarding the payment of money in advance that they should pay it) for a known specified measure and a known specified weight and a known specified period.

Reference: 2241
English reference: Vol. 3, Book 35, Hadith 445
In-book reference: Book 35, Hadith 5
Grade: Sahih
Read this hadith from Darussalam Collection

2) باب السَّلَمِ فِي وَزْنٍ مَعْلُومٍ

حَدَّثَنَا قُتَيْبَةُ، حَدَّثَنَا سُفْيَانُ، عَنِ ابْنِ أَبِي نَجِيحٍ، عَنْ عَبْدِ اللَّهِ بْنِ كَثِيرٍ، عَنْ أَبِي الْمِنْهَالِ، قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ ـ رضى الله عنهما ـ يَقُولُ قَدِمَ النَّبِيُّ صلى الله عليه وسلم وَقَالَ ‏‏‏.‏ "‏ فِي كَيْلٍ مَعْلُومٍ وَوَزْنٍ مَعْلُومٍ إِلَى أَجَلٍ مَعْلُومٍ ‏"